Liers in wait — Though they were assured of the success, by a particular promise, yet they do not neglect the use of means; as well knowing that the certainty of God's promises doth not excuse, but rather require man's diligent use of all fit means for the accomplishment of them.
Related Commentaries of Judges 20:29
Judges 20:29
29 And Israel set liers in wait round about Gibeah.