To forget is the secret of eternal youth. One grows old only through memory. There's much too little forgetting.

There is nothing more frightful than ignorance in action.

Live to the point of tears.

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

The man who has no sense of history, is like a man who has no ears or eyes

I'm never going to be disabled. I'm sick of being so healthy.

Someone's sitting in the shade today because someone planted a tree a long time ago.

There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is a miracle.

Everything in the world is about sex except sex. Sex is about power.

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

Safeguarding the rights of others is the most noble and beautiful end of a human being.

We think too much and feel too little.

I like nonsense, it wakes up the brain cells. Fantasy is a necessary ingredient in living.

Imagination and fiction make up more than three quarters of our real life.

Open your eyes, look within. Are you satisfied with the life you're living?

The essence of life is statistical improbability on a colossal scale.

Time ripens all things; no one is born wise.

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

The highest manifestation of strength is to keep ourselves calm and on our own feet.

Life is not a problem to be solved, but a reality to be experienced.

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.