And Moses said to 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 to me, and I will answer thee, and will show thee great things, and difficult, which thou know not.

Then

I will smite them through, so that they shall not be able to rise. They shall fall under my feet.

When evil-doers came upon me to eat up my flesh, [even] my adversaries and my foes, they stumbled and fell.

When therefore he said to them, I am he, they went backward and fell to the ground.

For

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

Make an uproar, O ye peoples, and be broken in pieces. And give ear, all ye of far countries. Gird yourselves, and be broken in pieces. Gird yourselves, and be broken in pieces.

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

General references

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