The expectation of substantive unity between natural science and social science has faded.... Gone is the cosmic intention of placing man in the universe.

Reason transformed into prejudice is the worst form of prejudice, because reason is the only instrument for liberation from prejudice.

We need history, not to tell us what happened or to explain the past, but to make the past alive so that it can explain us and make a future possible.

There is no real education that does not respond to felt need; anything else acquired is trifling display.

Students now arrive at the university ignorant and cynical about our political heritage, lacking the wherewithal to be either inspired by it or seriously critical of it.

Once the law is broken with impunity, each man regains the right to any means he deems proper or necessary in order to defend himself against the new tyrant, the one who can break the law.

Openness, as currently conceived, is a way of making surrender to whatever is most powerful, or worship of vulgar success, look principled.