Never take the advice of someone who has not had your kind of trouble.

The art of living consists in knowing which impulses to obey and which must be made to obey.

Between the semi-educated, who offer simplistic answers to complex questions, and the overeducated, who offer complicated answers to simple questions, it is a wonder that any questions get satisfactorily answered at all.

It is not only useless, it is harmful, to believe in oneself until one truly knows oneself. And to know oneself means to accept our moments of insanity, of eccentricity, of childishness and blindness.

The real heretic is not the atheist or agnostic (who are often decent people) but those who murmur "it doesn't matter what you believe, as long as it makes you feel good." This turns religion into a subjective matter, like taste in furnishings, and robs theology of its claim to ultimate truth.

The principal difference between love and hate is that love is a irradiation, and hate is a concentration. Love makes everything lovely; hate concentrates itself on the object of its hatred.

As long as there are human beings, there will be the idea of brotherhood -- and an almost total inability to practice it.