Nothing exists except atoms and empty space; everything else is opinion.

Your purpose in life is to find your purpose and give your whole heart and soul to it.

Everything we do is infused with the energy with which we do it. If we're frantic, life will be frantic. If we're peaceful, life will be peaceful. And so our goal in any situation becomes inner peace.

We all owe death a life.

My reading of history convinces me that most bad government results from too much government.

The gentleman understands rightousness, the petty man understands interest.

Maybe this world is another planet?s hell.

History has shown there are no invincible armies.

I don't need you to remind me of my age. I have a bladder to do that for me.

Don't be too timid and squeamish about your actions. All life is an experiment. The more experiments you make the better.

We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.

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.

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

What would life be if we had no courage to attempt anything?

You can have it all. Just not all at once.

Do not erase the designs the child makes in the soft wax of his inner life.

During the first period of a man's life the greatest danger is not to take the risk.

Never throughout history has a man who lived a life of ease left a name worth remembering.

Consistency is contrary to nature, contrary to life. The only completely consistent people are the dead.

No social problem is as universal as the oppression of the child

I can choose either to be a victim of the world or an adventurer in search of treasure. It's all a question of how I view my life.