He that believes on me, as the scripture has said, out of his heart shall flow rivers of living water.
All Commentaries on John 7:38 Go To John 7
On Re-Baptism (Anonymous)
AD 300
And also to those who are made lawful believers, the baptism of their own blood is wanting without mischief, because, being baptized in the name of Christ, they have been redeemed with the most precious blood of the Lord; since both of these rivers of the baptism of the Lord proceed out of one and the same fountain, that every one who thirsts may come and drink, as says the Scripture, "From his belly flowed rivers of living water; "