Pretend what we may, the whole man within us is at work when we form our philosophical opinions.

Whenever two people meet, there are really six people present. There is each man as he sees himself, each man as the other person sees him, and each man as he really is.

Neither moral relations nor the moral law can swing in vacuo. Their only habitat can be a mind which feels them; and no world composed of merely physical facts can possibly be a world to which ethical propositions apply.

It is wrong always, everywhere, and for everyone, to believe anything upon insufficient evidence.

Positive images of the future are a powerful and magnetic force... They draw us on and energize us, give us courage and will to take on important initiatives. Negative images of the future also have a magnetism. They pull the spirit downward in the path of despair.

A chain is no stronger than its weakest link, and life is after all a chain.

If there is aught of good in the style, it is the result of ceaseless toil in rewriting. Everything comes out wrong with me at first; but when once objectified in a crude shape, I can torture and poke and scrape and pat it till it offends me no more.