By this it appeared he prayed in faith, to the true God, and his God.
2. He made confession of sin when he prayed for deliverance, because hereby he justified God in the captivity of his people.
3. He knew if God vouchsafed pardon of sin, upon this confession, that would be a sure foundation of future mercy.
4. He set down here the words of his prayer, because it is the prayer of a righteous man, and one of God's eminent saints and favourites in Scripture, who had great power with God in prayer, Job 42:7-9 Ezekiel 14:14,20 Jas 5:16. Keeping the covenant; he puts God in mind of his covenant, Deuteronomy 7:8 Nehemiah 1:5; he calls him great and dreadful, as to his severe justice and wrath: now though the covenant hath promises and mercy, yet it includeth obedience on our part, as here is expressed.