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

You are not stuck where you are unless you decide to be.

Live a balanced life - learn some and think some and draw some and paint some and sing and dance and play and work everyday some.

We must be willing to fail and to appreciate the truth that often 'Life is not a problem to be solved, but a mystery to be lived.'

Life is a journey, not a destination.

The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil, no good, nothing but blind, pitiless indifference

This terrifying world is not devoid of charms, of the mornings that make waking up worthwhile.

I was born with an enormous need for affection, and a terrible need to give it.

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

When I let go of what I am, I become what I might be.

I don't mind living in a man's world, as long as I can be a woman in it.

The more sand that has escaped from the hourglass of our life, the clearer we should see through it.

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.

Those who are easily shocked should be shocked more often.

Unsatisfied desire is in itself more desirable than any other satisfaction.

If you have been sunned through and through like an apricot on a wall from your earliest days, you are oversensitive to any withdrawal of heat.

Fortune cannot aid those who do nothing.

The first forty years of life give us the text; the next thirty supply the commentary on it.

A tragedy means always a man's struggle with that which is stronger than man.

By putting forward the hands of the clock you shall not advance the hour.

If you want a happy ending, that depends, of course, on where you stop your story.