It is not enough to have a good mind; the main thing is to use it well.

In the midst of movement and chaos, keep stillness inside of you.

Instinct is a marvellous thing. It can neither be explained nor ignored.

Nothing is as easy as it looks.

A scholar who cherishes the love of comfort is not fit to be deemed a scholar.

Every act of creation is first an act of destruction.

All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.

Boredom is the root of all evil - the despairing refusal to be oneself.

A crust eaten in peace is better than a banquet partaken in anxiety.

Drop the idea that you are Atlas carrying the world on your shoulders. The world would go on even without you. Don't take yourself so seriously.

If you don't stand for something you will fall for anything.

Men are not prisoners of fate, but only prisoners of their own minds.

There is geometry in the humming of the strings. There is music in the spacing of the spheres.

Beer: The cause of, and solution to, all of life's problems.

Learned we may be with another man's learning: we can only be wise with wisdom of our own.

Everybody is ignorant, only on different subjects.

If you don't behave as you believe, you will end by believing as you behave.

If you only read the books that everyone else is reading, you can only think what everyone else is thinking.

If you place your head in a lion's mouth, then you cannot complain one day if he happens to bite it off.

Convictions are more dangerous enemies of truth than lies.

You can be rich in spirit, kindness, love and all those things that you can't put a dollar sign on.