Isolation always perverts; when a man lives only among his own sort, he soon begins to believe that his sort are the best sort. This attitude breeds both the arrogance of the conservative and the bitterness of the radical.

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.

The profound immoralities of our time are cruelty, indifference, injustice and the use of others as means rather than ends in themselves.

People decline invitations when they are "indisposed" physically, and I wish they would do likewise when they feel indisposed emotionally. A person has no more right to attend a party with a head full of venom than with a throat full of virus.

Why do most Americans look up to education and down upon educated people?

Enemies, as well as lovers, come to resemble each other over a period of time.

Sincerity that thinks it is the sole possessor of the truth is a deadlier sin than hypocrisy, which knows better.