Revelation 22:1

22:1 Then the angel showed me the river of the water of life – water as clear as crystal – pouring out from the throne of God and of the Lamb,

Revelation 22:17

22:17 And the Spirit and the bride say, “Come!” And let the one who hears say: “Come!” And let the one who is thirsty come; let the one who wants it take the water of life free of charge.