It is during our darkest moments that we must focus to see the light.

It does not matter how slowly you go as long as you do not stop.

Winning isn't everything, it's the only thing.

I am always ready to learn although I do not always like being taught.

The formula for success: rise early, work hard, strike oil.

The hardest arithmetic to master is that which enables us to count our blessings.

Doing is a quantum leap from imagining.

You cannot shake hands with a clenched fist.

No amount of experimentation can ever prove me right; a single experiment can prove me wrong.

When you can't make them see the light, make them feel the heat.