John 7:38-40

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

³⁹and 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.

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