Psalm 119:70 in the King James Version
Their heart is as fat as grease; but I delight in thy law.
Context
69 The proud have smeared a lie upon me. With my whole heart, I will keep your precepts.
70 Their heart is as callous as the fat, but I delight in your law.
71 It is good for me that I have been afflicted, that I may learn your statutes.