The biologist passes. The frog stays the same.

Somebody told me I should put a pebble in my mouth to cure my stuttering. Well, I tried it, and during a scene I swallowed the pebble. That was the end of that.

A body of work such as Pasteur's is inconceivable in our time: no man would be given a chance to create a whole science. Nowadays a path is scarcely opened up when the crowd begins to pour in.

We spend our time envying people whom we wouldn't wish to be.

My pessimism extends to the point of even suspecting the sincerity of other pessimists.

Kill one man, and you are a murderer. Kill millions of men, and you are a conqueror. Kill them all, and you are a god.

Kill one man, and you are murderer.

Science has made us gods even before we are worthy of being men.

To be adult is to be alone.

A man is not old as long as he is seeking something.

In order to remain true to oneself one ought to renounce one's party three times a day.

I'm out, surrounded in dark. But in the distance there is a small glow, a tiny light. Suddenly I'm standing alone, the space starting to brighten as the light grows.

Love your friends as if they would some day hate you.

They make the greatest show of what they have done, who have done least.

Don't let complexity stop you.

I'm a songwriter-I'm obligated to keep pushing myself.

Openness without strength is useless; strength without openness is oppression.

Patience is the mother of will.

The person who constantly studies without doing spiritual practice is like the fool who attempts to live in the blueprint of a house.

I feel, sometimes, as the renaissance man must have felt in finding new riches at every point and in the certainty that unexplored areas of knowledge and experience await at every turn.

The great thing about new friends is that they bring new energy to your soul.