You can give in to the failure messages and be a bitter deadbeat of excuses. Or you can choose to be happy and positive and excited about life.

All good things which exist are the fruits of originality.

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.

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.

My life didn't please me, so I created my life.

Three things have been difficult to tame: the oceans, fools, and women. We may soon be able to tame the oceans; fools and women will take a little longer.

Old minds are like old horses; you must exercise them if you wish to keep them in working order.

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.

When life hands you a lemon, say, 'Oh yeah, I like lemons! What else ya got?

You can't live your life for other people. You've got to do what's right for you, even if it hurts some people you love.

Everything existing in the universe is the fruit of chance and necessity.

Life has a certain flavour for those who have fought and risked all that the sheltered and protected can never experience.

Take a chance! All life is a chance. The man who goes farthest is generally the one who is willing to do and dare.

There are two things a person should never be angry at, what they can help, and what they cannot.

The earth is like a spaceship that didn't come with an operating manual.

Life can be wonderful if you're not afraid of it. All it takes is courage, imagination ... and a little dough

Pain don't hurt.

Nature is not human-hearted.

People do not like to think. If one thinks, one must reach conclusions. Conclusions are not always pleasant.

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

To conceal anything from those to whom I am attached, is not in my nature. I can never close my lips where I have opened my heart.