of them:

“They denied them, though their souls were convinced of them, out of injustice and arrogance. So see what was the end of those who spread corruption.” {14} [al-Naml 14]

And Moses said to him:

“He said, ‘You know full well that none but the Lord of the heavens and the earth has sent these down as clear proofs.’” [al-Isrā’ 102]

This corrupt will is the caprice that bars a person from knowing the truth. It is a disease of the heart that impairs its innate capacity for sound perception and action, just as disease of the eye impairs its innate capacity for sound perception and movement. The same applies to disease in the other organs.

Thus, these people who find within themselves a necessary knowledge of, and a necessary inclination toward, the One who is above the world have diseased hearts and corrupted innate dispositions. Their inward perception has consequently become impaired, just as outward perception becomes impaired—for example, when bile corrupts the sense of taste, or a squint or night blindness impairs sight, and so forth. Hence, in this matter, consideration is given only to those whose innate dispositions are sound and free from