Dark and difficult times lie ahead. Soon we must all face the choice between what is right and what is easy.

If you don't want to slip up tomorrow, speak the truth today.

Happiness is not an ideal of reason, but of imagination.

There are things known and there are things unknown, and in between are the doors of perception.

Love make us poets, and the approach of death should make us philosophers.

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.

I dream. Sometimes I think that's the only right thing to do.

Intellectuals solve problems, geniuses prevent them.

A house is not a home unless it contains food and fire for the mind as well as the body.

Nothing fixes a thing so intensely in the memory as the wish to forget it.

In order to change the world, you have to get your head together first

Wonder is the beginning of wisdom.

Accuracy is the twin brother of honesty; inaccuracy, of dishonesty.

One must wait until the evening to see how splendid the day has been.

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.

An understanding of the natural world is a source of not only great curiosity, but great fulfilment.

One who loses wealth loses much. One who loses a friend loses more. But one who loses courage loses all.

Men become wise just as they become rich, more by what they save than by what they receive.

Take care of the pieces well. The whole will take care of itself.

Those who know, do. Those that understand, teach.

Experience is merely the name men gave to their mistakes.