No one is free who has not obtained the empire of himself. No man is free who cannot command himself.

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

The greatest sin is to think yourself weak

Be the change that you wish to see in the world.

No great discovery was ever made without a bold guess.

After climbing a great hill, one only finds that there are many more hills to climb.

Whatever you are, be a good one.

To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment.

A man's work is nothing but this slow trek to rediscover, through the detours of art, those two or three great and simple images in whose presence his heart first opened.

The deeds you do may be the only sermon some persons will hear today.

I hated every minute of training, but I said, 'Don't quit. Suffer now and live the rest of your life as a champion'.

Be happy, but never satisfied.

Life is 10 percent what happens to you and ninety percent how you respond to it.

The secret of genius is to carry the spirit of the child into old age, which means never losing your enthusiasm.

I don't care what people think or say about me, I know who I am.

The people who were trying to make this world worse are not taking the day off. Why should I?

You got to get it while you can.

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 in the darkness, you are able to see the stars.

It marks a big step in your development when you come to realize that other people can help you do a better job than you could do alone.

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.