Every time I see an adult on a bicycle, I no longer despair for the future of the human race.

Sometimes - history needs a push.

There is nothing more frightful than ignorance in action.

The scientists of today think deeply instead of clearly. One must be sane to think clearly, but one can think deeply and be quite insane.

Life can be pulled by goals just as surely as it can be pushed by drives.

Eventually all things fall into place. Until then, laugh at the confusion, live for the moments, and know everything happens for a reason.

The behavior of a human being in sexual matters is often a prototype for the whole of his other modes of reaction in life.

Man is born free and everywhere he is in chains.

The worldly comforts are not for me. I am like a traveller, who takes rest under a tree in the shade and then goes on his way.

How wonderful it is that nobody need wait a single moment before starting to improve the world.

Christmas waves a magic wand over this world, and behold, everything is softer and more beautiful.

Most people are other people. Their thoughts are someone else's opinions, their lives a mimicry, their passions a quotation.

All that is not eternal is eternally out of date.

Only he who accepts clashes and conflicts in life, loves life.

To forget is the secret of eternal youth. One grows old only through memory. There's much too little forgetting.

How can I go forward when I don't know which way I'm facing?

Don't part with your illusions. When they are gone you may still exist, but you have ceased to live.

Nothing exists except atoms and empty space; everything else is opinion.

Every person who ever thought he had a right to assert, and went boldly and asserted it, himself, or jointly with others that shared his convictions, was a direct actionist.

I’m not afraid of death, but I’m in no hurry to die. I have so much I want to do first.

There is no worse bitterness than to reach the end of your life and realized you have not lived.