“It is not ignorance but knowledge which is the mother of wonder.”

“Not ignorance, but ignorance of ignorance is the death of knowledge.”

“[W]e must come into a transformed knowing, an unknowing which comes not from ignorance but from knowledge.”

“The meeting between ignorance and knowledge, between brutality and culture - it begins in the dignity with which we treat the dead”

“The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.”

“All political theories assume, of course, that most individuals are very ignorant. Those who plead for liberty differ from the rest in that they include among the ignorant themselves as well as the wisest. Compared with the totality of knowledge which is continually utilized in the evolution of a dynamic civilization, the difference between the knowledge that the wisest and that the most ignorant individual can deliberately employ is comparatively insignificant.”