"The only true wisdom is in knowing you know nothing."

"Man is an animal that makes promises and breaks them."

"To be well-informed is to have a great deal of information. To be wise is to have a great deal of information and to know what to do with it."

"We are not always what we seem, and there is a great deal of difference between what we are and what we think we are."

"The propagandist's task is, in fact, to make one set of people forget that there are other points of view and other interests."