Psalms 119:69,70 - Joseph Benson’s Commentary on the Old and New Testaments

The proud have forged a lie against me A slander, charging me with hypocrisy toward God, and other sins. But I will keep thy precepts My practice shall confute their calumnies. “Every disciple of Christ, who, like his Master, goeth contrary to the ways of the world, and condemneth them, must expect to be, like that Master, slandered and calumniated by the world. To such slanders and calumnies, a good life is the best answer.” Horne. Their heart is as fat as grease Hebrew, שׂפשׁ כחלב, tapash chacheleb, which Dr. Waterland renders, is gross, as with fat: and Houbigant, gross as fat. The sense is, either, 1st, They are dull, stupid, insensible, and past feeling, neither affected with the terrors nor comforts of God's word: so a similar phrase signifies, Isaiah 6:10, compared with John 12:40. Or, 2d, They prosper exceedingly, and are even glutted with the wealth and comforts of this life. But I delight in thy law I do not envy them their prosperity and pleasure: for I have as much delight in God's law as they have in worldly things.