And the hand of Midian prevailed against Israel: and because of the Midianites the children of Israel made themselves the dens which are in the mountains, and caves, and strongholds.
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George Leo Haydock
Resist is not expressed in Hebrew; neither did Israel dare to encounter the enemy. They retreated into the strongest holds, to rescue their goods and persons from the depredations of the Madianites. (Haydock)