2 Chronicles 20:15-20 NIV

15 He said: "Listen, King Jehoshaphat and all who live in Judah and Jerusalem! This is what the LORD says to you: 'Do not be afraid or discouraged1 because of this vast army. For the battle2 is not yours, but God's.

References for 2 Chronicles 20:15

16 Tomorrow march down against them. They will be climbing up by the Pass of Ziz, and you will find them at the end of the gorge in the Desert of Jeruel.
17 You will not have to fight this battle. Take up your positions; stand firm and see3 the deliverance the LORD will give you, O Judah and Jerusalem. Do not be afraid; do not be discouraged. Go out to face them tomorrow, and the LORD will be with you.' "

References for 2 Chronicles 20:17

18 Jehoshaphat bowed4 with his face to the ground, and all the people of Judah and Jerusalem fell down in worship before the LORD.

References for 2 Chronicles 20:18

19 Then some Levites from the Kohathites and Korahites stood up and praised the LORD, the God of Israel, with a very loud voice.
20 Early in the morning they left for the Desert of Tekoa. As they set out, Jehoshaphat stood and said, "Listen to me, Judah and people of Jerusalem! Have faith5 in the LORD your God and you will be upheld; have faith in his prophets and you will be successful.6"

References for 2 Chronicles 20:20