Quicken me after thy lovingkindness; so shall I keep the testimony of thy mouth.
Ver. 88. Quicken me after thy lovingkindness] David under long affliction had his dumps and dullnesses; as the best faith, if long tried, will flag aud hang the wing. He, therefore, rouseth up himself, and wrestleth with God for quickening grace; which he promised to improve, and not to receive the grace of God in vain; "so shall I keep the testimony of thy mouth."