nkjv Exodus:17:10-12
nkjv@Exodus:17:10 @ So Joshua did as Moses said to him, and fought with Amalek. And Moses, Aaron, and Hur went up to the top of the hill.
nkjv@Exodus:17:11 @ And so it was, when Moses held up his hand, that Israel prevailed; and when he let down his hand, Amalek prevailed.
nkjv@Exodus:17:12 @ But Moses' hands became heavy; so they took a stone and put it under him, and he sat on it. And Aaron and Hur supported his hands, one on one side, and the other on the other side; and his hands were steady until the going down of the sun.