I will never forget your precepts, for by them you have given me life.
This psalm pursues two chief ends: to exhort God's children toward a holy life, and to establish the Law as the rule and form of true worship. The psalmist weaves in promises to animate believers to live justly, and complaints against the wicked who despise the Law, lest the faithful be corrupted by their example. Though he moves from one matter to another, the composition is not a heap of scattered thoughts, but holds together by a living connection.
AI summary
Commenting on Psalm 119:1-176
Here is, 1. A very good resolution: "I will never forget thy precepts, but will always retain a remembrance of and regard to thy word as my rule." It is a resolution for perpetuity, never to be altered. Note, The best evidence of our love to the word of God is never to forget it.
MEM.--The Thirteenth Part. MEM. O how love I thy law!.... The whole word of God, the preceptive part of it; the commands of the moral law, which are holy, just, and good, and to be loved: but they are not loved by carnal men, whose minds are enmity to them, and therefore are not and cannot be subject to them, but despise and reject them...