Judges 6:35

32 So that day he gave him the name of Jerubbaal, saying, Let Baal take up his cause against him because his altar has been broken down.

33 Then all the Midianites and the Amalekites and the people of the east, banding themselves together, went over and put up their tents in the valley of Jezreel.

34 But the spirit of the Lord came on Gideon; and at the sound of his horn all Abiezer came together after him.

35 And he sent through all Manasseh, and they came after him; and he sent to Asher and Zebulun and Naphtali, and they came up and were joined to the others.

36 Then Gideon said to God, If you are going to give Israel salvation by my hand, as you have said,

37 See, I will put the wool of a sheep on the grain-floor; if there is dew on the wool only, while all the earth is dry, then I will be certain that it is your purpose to give Israel salvation by my hand as you have said.

38 And it was so: for he got up early on the morning after, and twisting the wool in his hands, he got a basin full of water from the dew on the wool.