So Moses said to Joshua, "Choose for us men, and go out and fight with Amalek. Tomorrow I will stand on the top of the hill with the staff of God in my hand."

Call to me and I will answer you, and will tell you great and hidden things that you have not known.

Then

I thrust them through, so that they were not able to rise; they fell under my feet.

When evildoers assail me to eat up my flesh, my adversaries and foes, it is they who stumble and fall.

When Jesus said to them, "I am he," they drew back and fell to the ground.

For

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

Be broken, you peoples, and be shattered; give ear, all you far countries; strap on your armor and be shattered; strap on your armor and be shattered.

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

General references

Whenever Moses held up his hand, Israel prevailed, and whenever he lowered his hand, Amalek prevailed.