Acts 8:36

"And as they went on their way, they came unto a certain water: and the eunuch said, See, here is water; what doth hinder me to be baptized?"

Cross References (ranked by relevance)

Can any man forbid water, that these should not be baptized, which have received the Holy Ghost as well as we?

Jesus answered, Verily, verily, I say unto thee, Except a man be born of water and of the Spirit, he cannot enter into the kingdom of God.

And John also was baptizing in Aenon near to Salim, because there was much water there: and they came, and were baptized.

Then will I sprinkle clean water upon you, and ye shall be clean: from all your filthiness, and from all your idols, will I cleanse you.