To attain the impossible, one must attempt the absurd.

Impossible is a word to be found only in the dictionary of fools.

The only way of discovering the limits of the possible is to venture a little way past them into the impossible.

I will take fate by the throat; it will never bend me completely to its will.

The great art of life is sensation, to feel that we exist, even in pain.

I can never stand still. I must explore and experiment. I am never satisfied with my work. I resent the limitations of my own imagination.

Only those are fit to live who do not fear to die; and none are fit to die who have shrunk from the joy of life and the duty of life. Both life and death are parts of the same Great Adventure.

They alone live, who live for others.

People who say it cannot be done should not interrupt those who are doing it.

Plan your work - work your plan. Lack of system produces that 'I'm swamped' feeling.

Live as if you were to die tomorrow. Learn as if you were to live forever.

This is one small step for a man, one giant leap for mankind.

Be yourself, let you come through.

Do not be afraid. Do not be satisfied with mediocrity. Put out into the deep and let down your nets for a catch.

Courage isn't having the strength to go on - it is going on when you don't have strength.

If you don't know, the thing to do is not to get scared, but to learn.

I will never be by violence constrained to do anything.

Some people don't like change, but you need to embrace change if the alternative is disaster.

First ask yourself: What is the worst that can happen? Then prepare to accept it. Then proceed to improve on the worst.

We are all in the gutter, but some of us are looking at the stars.

I don't know who my grandfather was; I'm much more concerned to know what his grandson will be.