Thematic Bible: Necessary to prophesying

And the LORD came down in a cloud, and spoke unto him, and took some of the spirit that was upon him, and gave it unto the seventy elders: and it came to pass, that, when the spirit rested upon them, they prophesied, and did not cease. But there remained two of the men in the camp, the name of the one was Eldad, and the name of the other Medad: and the spirit rested upon them; and they were of them that were listed, but went not out unto the tabernacle: and they prophesied in the camp. And there ran a young man, and told Moses, and said, Eldad and Medad do prophesy in the camp.

Then upon Jahaziel the son of Zechariah, the son of Benaiah, the son of Jeiel, the son of Mattaniah, a Levite of the sons of Asaph, came the spirit of the LORD in the midst of the congregation; And he said, Hearken you, all Judah, and you inhabitants of Jerusalem, and you king Jehoshaphat, Thus says the LORD unto you, Be not afraid nor dismayed by reason of this great multitude; for the battle is not yours, but God's. Tomorrow go you down against them: behold, they come up by the cliff of Ziz; and you shall find them at the end of the valley, before the wilderness of Jeruel. read more.
You shall not need to fight in this battle: set yourselves, stand you still, and see the salvation of the LORD with you, O Judah and Jerusalem: fear not, nor be dismayed; tomorrow go out against them: for the LORD will be with you.