Only that the generations, &c. Le Clerc and some other versions, instead of only put and, this seeming to be a new and additional reason alleged why God left some of the Canaanitish nations in the land, namely, that the Israelites might be inured to war and hardship, and thereby be preserved from sinking into sloth and luxury; and that by the neighbourhood of such warlike enemies, and a knowledge of the danger they were in from them, they might never be carnally secure, but stand continually on their guard, and keep close to that God of whose protection and aid they had such great and constant need.
Related Commentaries of Judges 3:2
Judges 3:2
2 Only that the generations of the children of Israel might know, to teach them war, at the least such as before knew nothing thereof;