Matthew 3:11 (NIV) "I baptize you with water for repentance. But after me will come one who is more powerful than I, whose sandals I am not fit to carry. He will baptize you with the Holy Spirit and with fire.”
Mark 1:4 (NIV) And so John came, baptizing in the desert region and preaching a baptism of repentance for the forgiveness of sins.
Luke 3:12 (NIV) Tax collectors also came to be baptized. "Teacher," they asked, "what should we do?"
Acts 19:4 (NIV) Paul said, "John's baptism was a baptism of repentance. He told the people to believe in the one coming after him, that is, in Jesus."
1 Corinthians 12:13 (NIV) For we were all baptized by one Spirit into one body--whether Jews or Greeks, slave or free--and we were all given the one Spirit to drink.
Romans 6:4 (NIV) We were therefore buried with him through baptism into death in order that, just as Christ was raised from the dead through the glory of the Father, we too may live a new life.
Baptism points back to the work of God, and forward to the life of faith. J. Alice Motyer (Draper's Book of Quotations for the Christian World)