Absolute tolerance is altogether impossible; the allegedly absolute tolerance turns into ferocious hatred of those who have stated clearly and most forcefully that there are unchangeable standards founded in the nature of man and the nature of things.

We somehow believe that our point of view is superior, higher than those of the greatest minds either because our point of view is that of our time, and our time, being later than the time of the greatest minds, can be presumed to be superior to their times; or else because we believe that each the greatest minds was right from his point of view, but not, as he claims, simply right.

Men are constantly attracted and deluded by two opposite charms: the charm of competence which is engendered by mathematics and everything akin to mathematics, and the charm of humble awe, which is engendered by meditation on the human soul and its experiences. Philosophy is characterized by the gentle, if firm, refusal to succumb to either charm.

Life is too short to live with any but the greatest books.

No bloody or unbloody change of society can eradicate the evil in man: as long as there will be men, there will be malice, envy and hatred, and hence there cannot be a society which does not have to employ coercive restraint.

According to our social science, we can be or become wise in all matters of secondary importance, but we have to be resigned to utter ignorance in the most important respect: we cannot have any knowledge regarding the ultimate principles of our choices, i.e. regarding their soundness or unsoundness... We are then in the position of beings who are sane and sober when engaged in trivial business and who gamble like madmen when confronted with serious issues.

The contemporary rejection of natural right leads to nihilism - nay, it is identical with nihilism.