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

The doctor of the future will give no medicine, but will interest her or his patients in the care of the human frame, in a proper diet, and in the cause and prevention of disease.

Not all things are to be discovered; many are better concealed.

Yesterday is dead, tomorrow hasn't arrived yet. I have just one day, and I'm going to be happy in it.

Exceptional claims demand exceptional evidence.

Simplicity is the keynote of all true elegance.

I am an American; free born and free bred, where I acknowledge no man as my superior, except for his own worth, or as my inferior, except for his own demerit.

In the long history of humankind (and animal kind, too) those who learned to collaborate and improvise most effectively have prevailed

The nicest thing for me is sleep, then at least I can dream.

Life is like playing a violin solo in public and learning the instrument as one goes on.

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

The less you know, the more you believe.

Take care of your body. It's the only place you have to live.

Concision in style, precision in thought, decision in life.

Life is what happens to you while you're busy making other plans.

Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves. We must believe that we are gifted for something and that this thing must be attained.

He who has a why to live can bear with almost any how.

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.

Is it not enough that 'things are cruel and blind'? Must we also be cruel and blind?

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

The rich will do anything for the poor but get off their backs.