5-15. I fell upon my knees, and spread out my hands unto the Lord my God—The burden of his prayer, which was dictated by a deep sense of the emergency, was that he was overwhelmed at the flagrant enormity of this sin, and the bold impiety of continuing in it after having, as a people, so recently experienced the heavy marks of the divine displeasure. God had begun to show returning favor to Israel by the restoration of some. But this only aggravated their sin, that, so soon after their re-establishment in their native land, they openly violated the express and repeated precepts which commanded them to extirpate the Canaanites. Such conduct, he exclaimed, could issue only in drawing down some great punishment from offended Heaven and ensuring the destruction of the small remnant of us that is left, unless, by the help of divine grace, we repent and bring forth the fruits of repentance in an immediate and thorough reformation.

     8-10. God's benevolence implies no merit. He shows it to sinners, who also are chastened for a time (Ex 34:6).