John 7:38

38The [one]ὁbelievingπιστεύωνinεἰςMeἐμέ,asκαθὼςhas saidεἶπενtheἡScriptureγραφή,Riversποταμοὶout ofἐκtheτῆςbellyκοιλίαςof himαὐτοῦwill flowῥεύσουσινof waterὕδατοςlivingζῶντος.

The one believing in Me, as the Scripture said: ‘Out of his belly will flow rivers of living water.’”