God hath given it into your hands This they gather partly from God's promises, which they supposed they had from the Levite's mouth, and partly from his providence, which had so disposed them that they would be an easy prey.
Related Commentaries of Judges 18:10
Judges 18:10
10 When ye go, ye shall come unto a people secure, and to a large land: for God hath given it into your hands; a place where there is no want of any thing that is in the earth.