It takes a great deal of bravery to stand up to our enemies, but just as much to stand up to our friends.

A man may imagine things that are false, but he can only understand things that are true.

Don't take tomorrow to bed with you.

We seldom realize, for example that our most private thoughts and emotions are not actually our own. For we think in terms of languages and images which we did not invent, but which were given to us by our society.

In any moment of decision, the best thing you can do is the right thing. The worst thing you can do is nothing.

Science is organized knowledge. Wisdom is organized life.

True knowledge lies in knowing how to live.

Respect yourself if you would have others respect you.

One just needs a little alertness to see and find out: Life is really a great cosmic laughter.

Each problem that I solved became a rule which served afterwards to solve other problems.

We sometimes congratulate ourselves at the moment of waking from a troubled dream; it may be so the moment after death.

The one you buy will be the only one that doesn't work.

As the soft yield of water cleaves obstinate stone, So to yield with life solves the insolvable: To yield, I have learned, is to come back again.

Judge a man by his questions rather than by his answers.

If you do what you've always done, you'll get what you've always gotten.

No one can make you feel inferior without your consent.

Reflect upon your present blessings, of which every man has many; not on your past misfortunes, of which all men have some.

Things which matter most must never be at the mercy of things which matter least.

Tell the truth. Sing with passion. Work with laughter. Love with heart. 'Cause that's all that matters in the end.

Act as if the maxim of your action were to become through your will a general natural law

Be sure you put your feet in the right place, then stand firm.