““Knowledge is that which the soul desires.”136 8. “Knowledge is the falling of the soul (’s sight)137 upon that which is concealed deep inside it ( fî sirrihâ), and its stopping there and not com- ing out from it and leaving it.”138 9. “Knowledge, is a secret (sirr) that is thrust into the soul. If it is applied to the discernment (tamyîz) of the existing things, the careful searcher of the object sought, who controls a thing entirely and com- prehends the newly arising object of perception, its essence, and its substance absolutely, finds it . . .””