Jewish Publication Society of America Version (JPS1917) - 2 Chronicles 20:15 >

and he said: 'Hearken ye, all Judah, and ye inhabitants of Jerusalem, and thou king Jehoshaphat: thus saith the LORD unto you: Fear not ye, neither be dismayed by reason of this great multitude; for the battle is not yours, but God's.

King James Version (KJV) - 2 Chronicles 20:15 >

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.

Berean Study Bible (BSB) - 2 Chronicles 20:15 >

And he said, “Listen, all you people of Judah and Jerusalem! Listen, King Jehoshaphat! This is what the LORD says: ‘Do not be afraid or discouraged because of this vast army, for the battle does not belong to you, but to God.