2 Chronicles 20:15

And he said, "Listen, all Judah and inhabitants of Jerusalem and King Jehoshaphat: Thus says the LORD to you, 'Do not be afraid and do not be dismayed at this great horde, for the battle is not yours but God's.

1 Samuel 17:47

and that all this assembly may know that the LORD saves not with sword and spear. For the battle is the LORD's, and he will give you into our hand."

2 Chronicles 32:7-8

"Be strong and courageous. Do not be afraid or dismayed before the king of Assyria and all the horde that is with him, for there are more with us than with him.

Exodus 14:13-14

And Moses said to the people, "Fear not, stand firm, and see the salvation of the LORD, which he will work for you today. For the Egyptians whom you see today, you shall never see again.

Deuteronomy 1:29-30

Then I said to you, 'Do not be in dread or afraid of them.

Deuteronomy 20:1

"When you go out to war against your enemies, and see horses and chariots and an army larger than your own, you shall not be afraid of them, for the LORD your God is with you, who brought you up out of the land of Egypt.

Deuteronomy 20:4

for the LORD your God is he who goes with you to fight for you against your enemies, to give you the victory.'

Deuteronomy 31:6

Be strong and courageous. Do not fear or be in dread of them, for it is the LORD your God who goes with you. He will not leave you or forsake you."

Deuteronomy 31:8

It is the LORD who goes before you. He will be with you; he will not leave you or forsake you. Do not fear or be dismayed."

Joshua 11:6

And the LORD said to Joshua, "Do not be afraid of them, for tomorrow at this time I will give over all of them, slain, to Israel. You shall hamstring their horses and burn their chariots with fire."

Nehemiah 4:14

And I looked and arose and said to the nobles and to the officials and to the rest of the people, "Do not be afraid of them. Remember the Lord, who is great and awesome, and fight for your brothers, your sons, your daughters, your wives, and your homes."

Psalm 17:1-2

Hear a just cause, O LORD; attend to my cry! Give ear to my prayer from lips free of deceit!

Isaiah 41:10-16

fear not, for I am with you; be not dismayed, for I am your God; I will strengthen you, I will help you, I will uphold you with my righteous right hand.

Isaiah 43:1-2

But now thus says the LORD, he who created you, O Jacob, he who formed you, O Israel: "Fear not, for I have redeemed you; I have called you by name, you are mine.

Treasury of Scripture Knowledge

Summary

And he said, Hearken ye, all Judah, and ye inhabitants of Jerusalem, and thou king Jehoshaphat, Thus saith the LORD unto you, Be not afraid nor dismayed by reason of this great multitude; for the battle is not yours, but God's.

Bible References

The battle

2 Chronicles 32:8
With him is an arm of flesh, but with us is the LORD our God, to help us and to fight our battles." And the people took confidence from the words of Hezekiah king of Judah.
1 Samuel 17:47
and that all this assembly may know that the LORD saves not with sword and spear. For the battle is the LORD's, and he will give you into our hand."

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.