Chapter 1: The Mystery of the Church
1. Christ is the Light of nations. Because this is so, this Sacred Synod gathered together in the Holy Spirit eagerly desires, by proclaiming the Gospel to every creature,(1) to bring the light of Christ to all men, a light brightly visible on the countenance of the Church. Since the Church is in Christ like a sacrament or as a sign and instrument both of a very closely knit union with God and of the unity of the whole human race, it desires now to unfold more fully to the faithful of the Church and to the whole world its own inner nature and universal mission. This it intends to do following faithfully the teaching of previous councils. The present- day conditions of the world add greater urgency to this work of the Church so that all men, joined more closely today by various social, technical and cultural ties, might also attain fuller unity in Christ.
2. The eternal Father, by a free and hidden plan of His own wisdom and goodness, created the whole world. His plan was to raise men to a participation of the divine life. Fallen in Adam, God the Father did not leave men to themselves, but ceaselessly offered helps to salvation, in view of Christ, the Redeemer "who is the image of the invisible God, the firstborn of every creature".(2) All the elect, before time began, the Father "foreknew and pre- destined to become conformed to the image of His Son, that he should be the firstborn among many brethren".(3) He planned to assemble in the holy Church all those who would believe in Christ. Already from the beginning of the world the foreshadowing of the Church took place. It was prepared in a remarkable way throughout the history of the people of Israel and by means of the Old Covenant.(1*) In the present era of time the Church was constituted and, by the outpouring of the Spirit, was made manifest. At the end of time it will gloriously achieve completion, when, as is read in the Fathers, all the just, from Adam and "from Abel, the just one, to the last of the elect,"(2*) will be gathered together with the Father in the universal Church.
3. The Son, therefore, came, sent by the Father. It was in Him, before the foundation of the world, that the Father chose us and predestined us to become adopted sons, for in Him it pleased the Father to re-establish all things.(4) To carry out the will of the Father, Christ inaugurated the Kingdom of heaven on earth and revealed to us the mystery of that kingdom. By His obedience He brought about redemption. The Church, or, in other words, the kingdom of Christ now present in mystery, grows visibly through the power of God in the world. This inauguration and this growth are both symbolized by the blood and water which flowed from the open side of a crucified Jesus,(5) and are foretold in the words of the Lord referring to His death on the Cross: "And I, if I be lifted up from the earth, will draw all things to myself".(6) As often as the sacrifice of the cross in which Christ our Passover was sacrificed, is celebrated on the altar, the work of our redemption is carried on, and, in the sacrament of the eucharistic bread, the unity of all believers who form one body in Christ (8) is both expressed and brought about. All men are called to this union with Christ, who is the light of the world, from whom we go forth, through whom we live, and toward whom our whole life strains.
4. When the work which the Father gave the Son to do on earth (9) was accomplished, the Holy Spirit was sent on the day of Pentecost in order that He might continually sanctify the Church, and thus, all those who believe would have access through Christ in one Spirit to the Father.(10) He is the Spirit of Life, a fountain of water springing up to life eternal.(11) To men, dead in sin, the Father gives life through Him, until, in Christ, He brings to life their mortal bodies.(12) The Spirit dwells in the Church and in the hearts of the faithful, as in a temple.(13) In them He prays on their behalf and bears witness to the fact that they are adopted sons.(14) The Church, which the Spirit guides in way of all truth(15) and which He unified in communion and in works of ministry, He both equips and directs with hierarchical and charismatic gifts and adorns with His fruits.(16) By the power of the Gospel He makes the Church keep the freshness of youth. Uninterruptedly He renews it and leads it to perfect union with its Spouse. (3*) The Spirit and the Bride both say to Jesus, the Lord, "Come!"(17)
Thus, the Church has been seen as "a people made one with the unity of the Father, the Son and the Holy Spirit."(4*)
5. The mystery of the holy Church is manifest in its very foundation. The Lord Jesus set it on its course by preaching the Good News, that is, the coming of the Kingdom of God, which, for centuries, had been promised in the Scriptures: "The time is fulfilled, and the kingdom of God is at hand"(18). In the word, in the works, and in the presence of Christ, this kingdom was clearly open to the view of men. The Word of the Lord is compared to a seed which is sown in a field;(19) those who hear the Word with faith and become part of the little flock of Christ,(20) have received the Kingdom itself. Then, by its own power the seed sprouts and grows until harvest time.(21) The Miracles of Jesus also confirm that the Kingdom has already arrived on earth: "If I cast out devils by the finger of God, then the kingdom of God has come upon you".(22) Before all things, however, the Kingdom is clearly visible in the very Person of Christ, the Son of God and the Son of Man, who came "to serve and to give His life as a ransom for many:"(23)
When Jesus, who had suffered the death of the cross for mankind, had risen, He appeared as the one constituted as Lord, Christ and eternal Priest,(24) and He poured out on His disciples the Spirit promised by the Father.(25) From this source the Church, equipped with the gifts of its Founder and faithfully guarding His precepts of charity, humility and self-sacrifice, receives the mission to proclaim and to spread among all peoples the Kingdom of Christ and of God and to be, on earth, the initial budding forth of that kingdom. While it slowly grows, the Church strains toward the completed Kingdom and, with all its strength, hopes and desires to be united in glory with its King.
6. In the old Testament the revelation of the Kingdom is often conveyed by means of metaphors. In the same way the inner nature of the Church is now made known to us in different images taken either from tending sheep or cultivating the land, from building or even from family life and betrothals, the images receive preparatory shaping in the books of the Prophets.
The Church is a sheepfold whose one and indispensable door is Christ.(26) It is a flock of which God Himself foretold He would be the shepherd,(27) and whose sheep, although ruled by human shepherds; are nevertheless continuously led and nourished by Christ Himself, the Good Shepherd and the Prince of the shepherds,(28) who gave His life for the sheep.(29)
The Church is a piece of land to be cultivated, the village of God.(30) On that land the ancient olive tree grows whose holy roots were the Prophets and in which the reconciliation of Jews and Gentiles has been brought about and will be brought about.(31) That land, like a choice vineyard, has been planted by the heavenly Husbandman.(32) The true vine is Christ who gives life and the power to bear abundant fruit to the branches, that is, to us, who through the Church remain in Christ without whom we can do nothing.(33)
Often the Church has also been called the building of God.(34) The Lord Himself compared Himself to the stone which the builders rejected, but which was made into the cornerstone.(35) On this foundation the Church is built by the apostles,(36) and from it the Church receives durability and consolidation. This edifice has many names to describe it: the house of God (37) in which dwells His family; the household of God in the Spirit;(38) the dwelling place of God among men;(39) and, especially, the holy temple. This Temple, symbolized in places of worship built out of stone, is praised by the Holy Fathers and, not without reason, is compared in the liturgy to the Holy City, the New Jerusalem (5*). As living stones we here on earth are built into it.(40) John contemplates this holy city coming down from heaven at the renewal of the world as a bride made ready and adorned for her husband.(41)
The Church, further, "that Jerusalem which is above" is also called "our mother".(42) It is described as the spotless spouse of the spotless Lamb,(43) whom Christ "loved and for whom He delivered Himself up that He might sanctify her",(44) whom He unites to Himself by an unbreakable covenant, and whom He unceasingly "nourishes and cherishes",(45) and whom, once purified, He willed to be cleansed and joined to Himself, subject to Him in love and fidelity,(46) and whom, finally, He filled with heavenly gifts for all eternity, in order that we may know the love of God and of Christ for us, a love which surpasses all knowledge.(47) The Church, while on earth it journeys in a foreign land away from the Lord,(48) is life an exile. It seeks and experiences those things which are above, where Christ is seated at the right-hand of God, where the life of the Church is hidden with Christ in God until it appears in glory with its Spouse.(49)
7. In the human nature united to Himself the Son of God, by overcoming death through His own death and resurrection, redeemed man and re-molded him into a new creation.(50) By communicating His Spirit, Christ made His brothers, called together from all nations, mystically the components of His own Body.
In that Body the life of Christ is poured into the believers who, through the sacraments, are united in a hidden and real way to Christ who suffered and was glorified.(6*) Through Baptism we are formed in the likeness of Christ: "For in one Spirit we were all baptized into one body"(51). In this sacred rite a oneness with Christ's death and resurrection is both symbolized and brought about: "For we were buried with Him by means of Baptism into death"; and if "we have been united with Him in the likeness of His death, we shall be so in the likeness of His resurrection also"(52) Really partaking of the body of the Lord in the breaking of the eucharistic bread, we are taken up into communion with Him and with one another. "Because the bread is one, we though many, are one body, all of us who partake of the one bread".(53) In this way all of us are made members of His Body,(54) "but severally members one of another".(55)
As all the members of the human body, though they are many, form one body, so also are the faithful in Christ.(56) Also, in the building up of Christ's Body various members and functions have their part to play. There is only one Spirit who, according to His own richness and the needs of the ministries, gives His different gifts for the welfare of the Church.(57) What has a special place among these gifts is the grace of the apostles to whose authority the Spirit Himself subjected even those who were endowed with charisms.(58) Giving the body unity through Himself and through His power and inner joining of the members, this same Spirit produces and urges love among the believers. From all this it follows that if one member endures anything, all the members co-endure it, and if one member is honored, all the members together rejoice.(59)
The Head of this Body is Christ. He is the image of the invisible God and in Him all things came into being. He is before all creatures and in Him all things hold together. He is the head of the Body which is the Church. He is the beginning, the firstborn from the dead, that in all things He might have the first place.(60) By the greatness of His power He rules the things in heaven and the things on earth, and with His all-surpassing perfection and way of acting He fills the whole body with the riches of His glory
All the members ought to be molded in the likeness of Him, until Christ be formed in them.(62) For this reason we, who have been made to conform with Him, who have died with Him and risen with Him, are taken up into the mysteries of His life, until we will reign together with Him.(63) On earth, still as pilgrims in a strange land, tracing in trial and in oppression the paths He trod, we are made one with His sufferings like the body is one with the Head, suffering with Him, that with Him we may be glorified.(64)
From Him "the whole body, supplied and built up by joints and ligaments, attains a growth that is of God".(65) He continually distributes in His body, that is, in the Church, gifts of ministries in which, by His own power, we serve each other unto salvation so that, carrying out the truth in love, we might through all things grow unto Him who is our Head.(66)
In order that we might be unceasingly renewed in Him,(67) He has shared with us His Spirit who, existing as one and the same being in the Head and in the members, gives life to, unifies and moves through the whole body. This He does in such a way that His work could be compared by the holy Fathers with the function which the principle of life, that is, the soul, fulfills in the human body.(8*)
Christ loves the Church as His bride, having become the model of a man loving his wife as his body;(68) the Church, indeed, is subject to its Head.(69) "Because in Him dwells all the fullness of the Godhead bodily",(70) He fills the Church, which is His body and His fullness, with His divine gifts (71) so that it may expand and reach all the fullness of God.(72)
8. Christ, the one Mediator, established and continually sustains here on earth His holy Church, the community of faith, hope and charity, as an entity with visible delineation (9*) through which He communicated truth and grace to all. But, the society structured with hierarchical organs and the Mystical Body of Christ, are not to be considered as two realities, nor are the visible assembly and the spiritual community, nor the earthly Church and the Church enriched with heavenly things; rather they form one complex reality which coalesces from a divine and a human element.(10*) For this reason, by no weak analogy, it is compared to the mystery of the incarnate Word. As the assumed nature inseparably united to Him, serves the divine Word as a living organ of salvation, so, in a similar way, does the visible social structure of the Church serve the Spirit of Christ, who vivifies it, in the building up of the body.(73) (11*)
This is the one Church of Christ which in the Creed is professed as one, holy, catholic and apostolic, (12*) which our Saviour, after His Resurrection, commissioned Peter to shepherd,(74) and him and the other apostles to extend and direct with authority,(75) which He erected for all ages as "the pillar and mainstay of the truth".(76) This Church constituted and organized in the world as a society, subsists in the Catholic Church, which is governed by the successor of Peter and by the Bishops in communion with him,(13*) although many elements of sanctification and of truth are found outside of its visible structure. These elements, as gifts belonging to the Church of Christ, are forces impelling toward catholic unity.
Just as Christ carried out the work of redemption in poverty and persecution, so the Church is called to follow the same route that it might communicate the fruits of salvation to men. Christ Jesus, "though He was by nature God . . . emptied Himself, taking the nature of a slave",(77) and "being rich, became poor"(78) for our sakes. Thus, the Church, although it needs human resources to carry out its mission, is not set up to seek earthly glory, but to proclaim, even by its own example, humility and selfsacrifice. Christ was sent by the Father "to bring good news to the poor, to heal the contrite of heart",(79) "to seek and to save what was lost".(80) Similarly, the Church encompasses with love all who are afflicted with human suffering and in the poor and afflicted sees the image of its poor and suffering Founder. It does all it can to relieve their need and in them it strives to serve Christ. While Christ, holy, innocent and undefiled(81) knew nothing of sin,(82) but came to expiate only the sins of the people,(83) the Church, embracing in its bosom sinners, at the same time holy and always in need of being purified, always follows the way of penance and renewal. The Church, "like a stranger in a foreign land, presses forward amid the persecutions of the world and the consolations of God"(14*), announcing the cross and death of the Lord until He comes."(84) By the power of the risen Lord it is given strength that it might, in patience and in love, overcome its sorrows and its challenges, both within itself and from without, and that it might reveal to the world, faithfully though darkly, the mystery of its Lord until, in the end, it will be manifested in full light.
Supplementary Notes (*)
(1) Cfr. S. Cyprianus, Epist. 64, 4: PL 3, 1017. CSEL (Hartcl), III B p. 720. S. Hilarius Pict., In Mt 23, 6: PL 9, 1047. S. Augustinus, passim. S. Cyrillus Alex., Glaph in Gen. 2, 10: PG 69, 110 A.
(2) Cfr. S. Gregorius M., Hom in Evang. 19, 1: PL 76, 1154 B. S Augustinus, Serm. 341, 9, 11: PL 39, 1499 s. S. Io. Damascenus, Adv. Iconocl. 11: PG 96, 1357.
(3) Cfr. S. Irenaeus, adv. Haer, 111 24, 1: PG 7, 966 B; Harvey 2, 13i, ed. Sagnard, Sources Chr., p 398.
(4) S. Cyprianus, De Orat Dom. 23: PL 4, 5S3, Hartel, III A, p. 28S. S. Augustinus, Serm. 71, 20, 33: PL 38, 463 s. S. Io. Damascenus, Adv. Iconocl. 12: PG 96, 1358 D.
(5) Cfr. Origenes, In Matth. 16, 21: PG 13, 1443 C, Tertullianus Adv. Marc. 3, 7: PL 2, 357 C, CSEL 47, 3 p. 386. Pro documentis liturgicis, cfr. Sacramentarium Gregorianum: PL 78, 160 B.Vel C. Mohlberg, Liber Sactamentorum romanae ecclesiae, Romao 195O, p. 111, XC:.Deus, qui ex omni coaptacione sanctorum aeternum tibi condis habitaculum..... Hymnus Urbs Ierusalem beata in Breviario monastico, et Coclest urbs Ierusalem in Breviario Romano.
(6) Cfr. S. Thomas, Sumtna Theol. III, q. 62, a. 5, ad 1.
(7) Cfr. Pius XII, Litt. Encycl Mystici Corporis, 29 iun. 1943 AAS 35 (1943), p. 208.
(8) Cfr. Leo XIII, Epist. Encycl Divinum illud, 9 maii 1897: AAS 29 (1896-97) p. 6S0. Pius XII, Litt Encyl. Mystici Corporis, 1. c., pp 219-220; Denz. 2288 (3808).S. Augustinus, Serm. 268, 2: PL 38 232, ct alibi. S. Io. Chrysostomus n Eph. Hom. 9, 3: PG 62, 72. idymus Alex., Trin. 2, 1: PG 39 49 s. S. Thomas, In Col. 1, 18 cet. 5 ed. Marietti, II, n. 46-Sieut constituitur unum eorpus ex nitate animae, ita Ecelesia ex unil atc Spiritus.....
(9) Leo XIII, Litt. Encycl. Sapientiae christianae, 10 ian. 1890 AAS 22 (1889-90) p. 392. Id., Epist. Encycl. Satis cognitium, 29 iun. 1896; AAS 28 (1895-96) pp. 710 ct 724 ss. Pius XII, Litt. Eneyel. Mystici Corporis, 1. c., pp. 199-200.
(10) Cfr. Pius XII, Litt. Encycl. Mystici Corporis, 1. c., p. 221 ss. Id., Lin. Encycl. Humani genesis, 12 Aug. 1950: AAS 42 (1950) p. 571.
(11) Leo XIII, Epist. Encycl. Satis cognitum, 1. c., p. 713.
(12) Cfr. Symbolum Apostolicum: Denz. 6-9 (10-13); Symb. Nic.-Const.: Denz. 86 (150), coll. Prof. fidei Trid.: Denz. 994 et 999 (1862 et 1868).
(13) Dieitur. Saneta (catholica apostolica) Romana Ecelesia .: in Prof. fidei Trid., 1. c. et Concl. Vat. I, Sess. III, Const. dogm. de fide cath.: Denz. 1782 (3001).
(14) S. Augustinus, Civ. Dei, XVIII, 51, 2: PL 41, 614.
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