Life is tough, but it's tougher when you're stupid.

Live as if you were living a second time, and as though you had acted wrongly the first time.

The present is theirs; the future, for which I really worked, is mine.

Life is too short, or too long, for me to allow myself the luxury of living it so badly.

Science is the outcome of being prepared to live without certainty and therefore a mark of maturity. It embraces doubt and loose ends.

Courage is a kind of salvation.

Life is nothing but a competition to be the criminal rather than the victim.

Life is a journey, not a destination.

Losing your way on a journey is unfortunate. But, losing your reason for the journey is a fate more cruel.

A man's true character comes out when he's drunk.

Last year I sang for the Queen of England, met the president of the United States, and got an Emmy and a star on The Walk of Fame. And what did I do? I was just being myself.

Doubt must be no more than vigilance, otherwise it can become dangerous.

Live a balanced life - learn some and think some and draw some and paint some and sing and dance and play and work everyday some.

We can never obtain peace in the outer world until we make peace with ourselves.

Life is not divided into semesters. You don't get summers off and very few employers are interested in helping you find yourself.

One man with a gun can control 100 without one.

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.

We can allow satellites, planets, suns, universe, nay whole systems of universes, to be governed by laws, but the smallest insect, we wish to be created at once by special act.

In three words I can sum up everything I've learned about life: it goes on.

A woman may very well form a friendship with a man, but for this to endure, it must be assisted by a little physical antipathy.

A hospital bed is a parked taxi with the meter running.