The future starts today, not tomorrow.

Being ignorant is not so much a shame, as being unwilling to learn.

My art and profession is to live.

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.'

The knowledge of oneself will preserve that person from vanity.

If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is.

Life would be tragic if it weren't funny.

I can't wait to figure out what is wrong with me, so I can say this is the way that I used to be.

One day you will ask me which is more important? My life or yours? I will say mine and you will walk away not knowing that you are my life.

To be interested in the changing seasons is . . . a happier state of mind than to be hopelessly in love with spring.

Open your arms to change, but don't let go of your values.

Live your life as an Exclamation rather than an Explanation

Don't go around saying the world owes you a living. The world owes you nothing. It was here first.

I think it's much more interesting to live not knowing than to have answers which might be wrong.

To do a great right do a little wrong.

Life is too short, or too long, for me to allow myself the luxury of living it so badly.

We were all at once terribly alone; and alone we must see it through.

Nature is not human-hearted.

Those who want to live, let them fight, and those who do not want to fight in this world of eternal struggle do not deserve to live.

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

I would rather live in a world where my life is surrounded by mystery than live in a world so small that my mind could comprehend it.