John 7:38-40

Young's Literal Translation

³⁸ he who is believing in me, according as the Writing said, Rivers out of his belly shall flow of living water;'

³⁹ and this he said of the Spirit, which those believing in him were about to receive; for not yet was the Holy Spirit, because Jesus was not yet glorified.

⁴⁰ Many, therefore out of the multitude, having heard the word, said, `This is truly the Prophet;'