History repeats itself, but in such cunning disguise that we never detect the resemblance until the damage is done.

Marriages we regard as the happiest are those in which each of the partners believes he or she got the best of it.

Most people are mirrors, reflecting the moods and emotions of the times; few are windows, bringing light to bear on the dark corners where troubles fester. The whole purpose of education is to turn mirrors into windows.

Take away grievances from some people and you remove their reasons for living; most of us are nourished by hope, but a considerable minority get psychic nutrition from their resentments, and would waste away purposelessly without them.

Honesty consists of the unwillingness to lie to others; maturity, which is equally hard to attain, consists of the unwillingness to lie to oneself.

God cannot be solemn, or he would not have blessed man with the incalculable gift of laughter.

The greatest enemy of progress is not stagnation, but false progress.