What is a demanding pleasure that demands the use of ones mind! Not in the sense of problem solving, but in the sense of exercising discrimination, judgment, awareness.

What objectivity and the study of philosophy requires is not an 'open mind,' but an active mind - a mind able and eagerly willing to examine ideas, but to examine them criticially.

The right to vote is a consequence, not a primary cause, of a free social system - and its value depends on the constitutional structure implementing and strictly delimiting the voters' power; unlimited majority rule is an instance of the principle of tyranny.

Through all the years that I spent formulating my philosophical system, I was looking desperately for “intelligent agreement” or at least for “intelligent disagreement.” I found neither. Today, I am not looking for “intelligent disagreement” any longer ... What I am looking for is intelligent agreement.

Do not let the hero in your soul perish.

Self respect is something that can't be killed. The worst thing is to kill a man's pretense at it.

Guilt is a rope that wears thin.