“We have artists with no scientific knowledge and scientists with noartistic knowledge and both with no spiritual sense of gravity at all,and the result is not just bad, it is ghastly.”

“Both, business expectation and scientific hypothesis serve the same purpose; both reflect an attempt at cognition and orientation in an imperfectly known world, both embody imperfect knowledge to be tested and improved by later experience. Each expectation does not stand by itself but is the cumulative result of a series of former expectations which have been revised in the light of later experience, and these past revisions are the source of whatever present knowledge we have”

“The unity of scientific and spiritual knowledge is realized when each of the particular sciences is organically related to the supreme knowledge of al-tawhid.”

“The knowledge that we consider knowledge proves itself in action. What we now mean by knowledge is information in action, information focused on results.”

“All religions have something to say about sex, and it rarely coincides with scientific knowledge of sex and sexuality.”

“...it is all the more clear what we have to accomplish at present: I am referring to ruthless criticism of all that exists, ruthless both in the sense of not being afraid of the results it arrives at and in the sense of being just as little afraid of conflict with the powers that be.”