It is certain that I cannot always distinguish my own thoughts from those I read, because what I read becomes the very substance and text of my mind.

Keep your face to the sunshine and you cannot see a shadow.

The only thing worse than being blind is having sight and no vision.

No one has a right to consume happiness without producing it.

The only thing worse than being blind is having sight but no vision.

The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.

Character cannot be developed in ease and quiet. Only through experience of trial and suffering can the soul be strengthened, ambition inspired, and success achieved.

Walking with a friend in the dark is better than walking alone in the light.

Alone we can do so little; together we can do so much.

Often we look so long at the closed door that we do not see the one that has been opened for us.

Never bend your head. Always hold it high. Look the world straight in the eye.

When you give people a choice, they believe they have power.

Man is not going to wait passively for millions of years before evolution offers him a better brain.

Try any goddam thing you like, no matter how boringly normal or outrageous. If it works, fine. If it doesn't, toss it. Toss it even if you love it.

These are not vague inferences . . . but they are solid conclusions drawn from the natural and necessary progress of human affairs.

Much of the excitement we get out of our work is that we don't really know what we are doing.

As long as you are good you will be great. But, if you cease to be good you will cease to be great.

When you put your total faith in God, no matter what happens, to a person who's a true believer, if you die, you know you're going to heaven to be with God.

I hate failure and I am in love with achievement.

I'm pretty clear about what I'm capable of doing.