Acts 2:36-38 "Therefore let all the house of Israel know for certain that God has made Him both Lord and Christ—this Jesuswhom you crucified.” 37 Now when they heard this, they were pierced to the heart, and said to Peter and the rest of the apostles, “Brethren, what shall we do?” 38 Peter said to them, “Repent, and each of you be baptized in the name of Jesus Christ for the forgiveness of your sins; and you will receive the gift of the Holy Spirit."
We need to hear how at saving faith a sinner is newly born, crucified, buried with Christ, risen and seated in the heavenly realms in Jesus. The fact that a new convert participates in water baptism as a testimony of what took place in their life asserts that pattern of having been newly born, buried in Christ, risen and seated. When we partake of the Lord's table as a church body, we yet again are telling ourselves and those around us the Gospel story. We are asserting the need of the cross-centered life. The "death-to-self" message is embedded deeply in the Lord's supper so that "life in Christ" may express itself as something that the church has in common. Taking in the life and power of Jesus daily by the Spirit is captured in that physical partaking of the elements which portray such realities. Jesus in me and I in Him.