Exodus 1:10; Exodus 14:14; Exodus 14:25; Exodus 17:8-10
"Come, let us deal wisely with them, or else they will multiply and in the event of war, they will also join themselves to those who hate us, and fight against us and depart from the land."
"The LORD will fight for you while you keep silent."
He caused their chariot wheels to swerve, and He made them drive with difficulty; so the Egyptians said, "Let us flee from Israel, for the LORD is fighting for them against the Egyptians."
Then Amalek came and fought against Israel at Rephidim.
So Moses said to Joshua, "Choose men for us and go out, fight against Amalek. Tomorrow I will station myself on the top of the hill with the staff of God in my hand."
Joshua did as Moses told him, and fought against Amalek; and Moses, Aaron, and Hur went up to the top of the hill.