It is undesirable to believe a proposition when there is no ground whatsoever for supposing it is true.

Man is a credulous animal, and must believe something; in the absence of good grounds for belief, he will be satisfied with bad ones.

It is obvious that 'obscenity' is not a term capable of exact legal definition; in the practice of the Courts, it means 'anything that shocks the magistrate.'

I've made an odd discovery. Every time I talk to a savant I feel quite sure that happiness is no longer a possibility. Yet when I talk with my gardener, I'm convinced of the opposite.

No one gossips about other people's secret virtues.

Ethics is in origin the art of recommending to others the sacrifices required for cooperation with oneself.