Science is the outcome of being prepared to live without certainty and therefore a mark of maturity. It embraces doubt and loose ends.

Life shrinks or expands in proportion to one's courage.

I generally avoid temptation unless I can't resist it.

If you want to keep your memories, you first have to live them.

In the end, everything is a gag.

Is it not enough that 'things are cruel and blind'? Must we also be cruel and blind?

I'd trade all my tomorrows for a single yesterday.

If man limits himself to a satisfied animal existence, and asks from life only what such an existence can give, the higher values of life at once disappear.

Dictators ride to and fro upon tigers which they dare not dismount. And the tigers are getting hungry.

Work harder on yourself than you do on your job.

A photograph is a moral decision taken in one eighth of a second.

A life not lived for others is not a life.

We can never obtain peace in the outer world until we make peace with ourselves.

Man is born free and everywhere he is in chains.

Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.

Joy is what happens to us when we allow ourselves to recognize how good things really are.

Life has got to be lived-that's all that there is to it.

Life will not break your heart. It'll crush it.

Certain signs precede certain events.

To do a great right do a little wrong.

I am convinced we do not only love ourselves in others but hate ourselves in others too.