1 Corinthians 10:4
and all drank the same spiritual drink -- for they continued to drink the water from the spiritual Rock which accompanied them, and that Rock was the Christ --
John 7:37-38
On the last day, the great day, of the feast, Jesus stood and cried aloud, "If anyone is thirsty, let him come to me and drink.
Revelation 22:1
Then he showed me a river of living water, clear as crystal, which continued to flow from the throne of God and of the Lamb
Revelation 22:17
The Spirit and the bride say, "Come." Let everyone who hears this say, "Come." Let everyone who is thirsty come. Let everyone who wishes come and take the living water without any cost.