Goodness, armed with power, is corrupted; and pure love without power is destroyed.

The scientific observer of the realm of nature is in a sense naturally and inevitably disinterested. At least, nothing in the natural scene can arouse his bias. Furthermore, he stands completely outside of the natural so that his mind, whatever his limitations, approximates pure mind. The observer of the realm of history cannot be disinterested in the same way, for two reasons: first, he must look at history from some locus in history; secondly, he is to a certain degree engaged in its ideological conflicts.

The fanatic is dangerous.

All men are naturally included to obscure the morally ambiguous element in their political cause by investing it with religious sanctity.

Every experience proves that the real problem of our existence lies in the fact that we ought to love one another, but do not.

It is the evil in man that makes democracy necessary, and man's belief in justice that makes democracy possible.

God, grant me the serenity to accept the things I cannot change, the courage to change the things I can, and the wisdom to know the difference. Grant me the patience with changes that take time, appreciation of all that I have, tolerance of those with different struggles, and the strength to get up and try again, one day at a time.