Exodus 17: 3-7
This is one of several stories about the Israelites complaining to Moses, in this case about being thirsty.  God instructs Moses how to provide water for them.

Romans 5 1-2. 5-8
The love of God has been poured into our hearts by the Holy Spirit, giving us faith and hope.

John 4: 5-42
The encounter of Jesus with the Samaritan woman at the well,  where he reveals his true identity to her and offers her living water.