Exodus 17:1 - 7
ESV - 1 All the congregation of the people of Israel moved on from the wilderness of Sin by stages, according to the commandment of the Lord, and camped at Rephidim, but there was no water for the people to drink. 2 Therefore the people quarreled with Moses and said, "Give us water to drink." And Moses said to them, "Why do you quarrel with me? Why do you test the Lord ?
For follow-up discussion and general commentary on the topic. Comments are sorted chronologically.