John 7:37-39...Jesus stood and cried, saying, If any man thirst, let him come unto me, and drink. 38 He that believeth on me, as the scripture hath said, out of his belly shall flow rivers of living water. 39 (But this spake he of the Spirit...)

Ephesians 5:26That he might sanctify and cleanse it with the washing of water by the word,

Titus 3:5 Not by works of righteousness which we have done, but according to his mercy he saved us, by the washing of regeneration, and renewing of the Holy Ghost;

2 Corinthians 7:1 ...let us cleanse ourselves from all filthiness of the flesh and spirit, perfecting holiness in the fear of God.