I confess one baptism for the remission of sins
The way of entry into the Christian Church is by baptism in the name of the Father and of the Son and of the Holy Spirit (Mt 28.19; the Baptismal Gospel reading in the Orthodox Church).
Baptism as a word means immersion or submersion in water. It was practiced in the Old Testament and even in some pagan religions as the sign of death and re-birth. Thus, John the Baptist was baptizing as the sign of new life and repentance which means literally a change of mind, and so of desires and actions in preparation of the coming of the Kingdom of God in Christ.
In the Church, the meaning of baptism is death and rebirth in Christ. It is the personal experience of Easter given to each man, the real possibility to die and to be “born anew” (Jn 3.3).
Do you not know that all of us who have been baptized into Christ Jesus were baptized into His death? We were buried therefore with Him by baptism into death, so that as Christ was raised from the dead by the glory of the Father, we too might walk in newness of life. For if we have been united with Him in a death like His, we shall certainly be united with Him in a resurrection like His (Rom 6.3–5; Baptismal Epistle reading in the Orthodox Church; See also Col 2.12; 3.1).
The baptismal experience is the fundamental Christian experience, the primary condition for the whole of Christian life. Everything in the Church has its origin and context in baptism for everything in the Church originates and lives by the resurrection of Christ. Thus, following baptism comes “the seal of the gift of the Holy Spirit,” the mystery (sacrament) of chrismation which is man’s personal experience of Pentecost. And the completion and fulfillment of these fundamental Christian mysteries comes in the mystery of Holy Communion with God in the divine liturgy of the Church.
Only persons who are committed to Christ in the Orthodox Church through baptism and chrismation may offer and receive the holy eucharist in the Orthodox Church. The holy eucharist is Holy Communion. As such it is not just a “means of sanctification” for individual believers, a means through which private persons gain “communion” with God according to their own private consciences, beliefs and practices. It is rather the all-embracing act of Holy Communion of many persons having the same faith, the same hope, the same baptism. It is the corporate act of many persons having one mind, one heart, one mouth in the service of the one God and Lord, in the one Christ and the one Holy Spirit.
To participate in Holy Communion in the Orthodox Church is to identify oneself fully with all of the members of the Orthodox faith, living and dead; and to identify oneself fully with every aspect of the Orthodox Church: its history, councils, canons, dogmas, disciplines. It is to “take on oneself” the direct and concrete responsibility for everyone and everything connected in and with the Orthodox tradition and to profess responsibility for the everyday life of the Orthodox Church. It is to say before God and men that one is willing to be judged, in time and eternity, for what the Orthodox Church is and for what the Orthodox Church stands for in the midst of the earth.
Entering into the “Holy Communion” of the Orthodox Church through baptism and chrismation, one lives according to the life of the Church in every possible way. One is first of all faithful to the doctrine and discipline of the Church by faithful communion with the hierarchy of the Church who are those members of the Body sacramentally responsible for the teachings and practices of the Church; the sacramental images of the Church’s identity and continuity in all places and all times. When one enters into the community of marriage, a union of one man and one woman forever according to the teaching of Jesus Christ, this union is sanctified and made eternal and divine in the sacramental mystery of matrimony in the Church. When one is sick and suffering, he “calls for the priests of the Church” to “pray over him, anointing him with oil” in the sacramental mystery of holy unction (cf. Jas 5.4). When one sins and falls away from the life of the Church, one returns to the “Holy Communion” of the divine community by the sacramental mystery of confession and repentance. And when one dies, he is returned to his Creator in the midst of the Church, with the prayers and intercessions of the faithful brothers and sisters in Christ and the Spirit. Thus the entire life of the person is lived in and with the Church as the life of fullness and newness in God Himself, the Church which is the mystical presence of God’s Kingdom which is not of this world.
The confession of “one baptism for the remission of sins,” therefore, is the confession of the total newness of life given to men in the Church because Christ is risen.
If then you have been raised with Christ, seek the things that are above, where Christ is, seated at the right hand of God. Set your minds on things that are above, not on things that are on earth. For you have died and your life is hid with Christ in God. When Christ who is our life appears, then you also will appear with Him in glory (Col 3.1–4).
Thus, in the Church, the whole of life is the one which begins in the new birth of baptism, the “life hid with Christ in God.” All of the mysteries of the Christian faith are contained in this new life. Everything in the Church flows out of the waters of baptism: the remission of sins and life eternal.