Here, 1. David admires God's grace: Great are thy tender mercies, O Lord! The goodness of God's nature, as it is his glory, so it is the joy of all the saints. His mercies are tender, for he is full of compassion; they are many, they are great, a fountain that can never be exhausted. He is rich in mercy to all that call upon him. David had spoken of the misery of the wicked (Psa 119:155); but God is good notwithstanding; there were tender mercies sufficient in God to have saved them, if they had not "despised the riches of those mercies." Those that are delivered from the sinner's doom are bound for ever to own the greatness of God's mercies which delivered them. 2. He begs for God's grace, reviving quickening grace, according to his judgments, that is, according to the tenour of the new covenant (that established rule by which he goes in dispensing that grace) or according to his manner, his custom or usage, with those that love his name, Psa 119:132.