And Moses said unto Joshua, Choose us out men and go out, fight with Amalek; tomorrow I will stand on the top of the hill with the rod of God in my hand.

Call unto me, and I will answer thee and show thee great and difficult things, which thou dost not know.

Then

I shall smite them, and they will not be able to rise: they shall fall under my feet.

When the wicked, even my enemies and my foes, came upon me to eat up my flesh, they stumbled and fell.

And when he said unto them, I AM, they went backward and fell to the ground.

For

The LORD of the hosts is with us; the God of Jacob is our refuge. Selah.

Associate yourselves, O ye people, and ye shall be broken in pieces; and give ear, all ye of far countries, prepare yourselves, and ye shall be broken in pieces; gird yourselves, and ye shall be broken in pieces.

What shall we then say to these things? If God is for us, who shall be against us?

General references

And it came to pass, when Moses held up his hand, that Israel prevailed; but when he let down his hand, Amalek prevailed.