We keep moving forward, opening new doors, and doing new things, because we're curious and curiosity keeps leading us down new paths.

True spirituality has its basis in moral life, which in turn is based on contem-plation.

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

You never know what life is like, until you have lived it.

Exceptional claims demand exceptional evidence.

Symbols are the imaginative signposts of life.

Middle age has been defined as what happens when a person's broad mind and narrow waist change places.

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

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.

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

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

Maybe this world is another planet?s hell.

The desire to fly is an idea handed down to us by our ancestors who... looked enviously on the birds soaring freely through space... on the infinite highway of the air

The privilege of a lifetime is to become who you truly are.

To forgive is not just to be altruistic.

The most important thing to do if you find yourself in a hole is to stop digging.

In the depth of winter, I finally learned that within me there lay an invincible summer.

Behind every beautiful thing, there's some kind of pain.

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

The journey of a thousand miles begins with one step.

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