Mark 1:8 (NIV)
8I baptize you with water, but he will baptize you with the Holy Spirit.”
John 7:37-39 (NIV)
38Whoever believes in me, as the Scripture has said, streams of living water will flow from within him.”
39By this he meant the Spirit, whom those who believed in him were later to receive. Up to that time the Spirit had not been given, since Jesus had not yet been glorified.
John 4:14 (NIV)
14but whoever drinks the water I give him will never thirst. Indeed, the water I give him will become in him a spring of water welling up to eternal life.”
1 Corinthians 12:13 (NIV)
13For 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.
1 Peter 3:21 (NIV)
21 Baptism, which corresponds to this, now saves you, not as a removal of dirt from the body but as an appeal to God for a good conscience, through the resurrection of Jesus Christ,