And God did so See how tender God is even of the weak; and how ready to condescend to their infirmities! These signs were very expressive. They are going to engage the Midianites. Could God distinguish between a small fleece of Israel and the vast floor of Midian? Yes, by this token it appears that he can. Is Gideon desirous that the dew of divine grace might descend on himself in particular? He sees the fleece wet with dew, to assure him of it. Does he desire that God will be as the dew to all Israel? Behold all the ground is wet!
Related Commentaries of Judges 6:40
Judges 6:40
40 And God did so that night: for it was dry upon the fleece only, and there was dew on all the ground.