There are no secrets to success. It is the result of preparation, hard work, and learning from failure.

Effort only fully releases its reward after a person refuses to quit.

Sometimes when you innovate, you make mistakes. It is best to admit them quickly, and get on with improving your other innovations.

If there is anything that a man can do well, I say let him do it. Give him a chance.

If all the economists were laid end to end, they'd never reach a conclusion.

No enterprise is more likely to succeed than one concealed from the enemy until it is ripe for execution.

It's not what you pay a man, but what he costs you that counts.

Whenever you find yourself on the side of the majority, it is time to pause and reflect.

If one does not know to which port one is sailing, no wind is favorable.

The hardest thing to understand in the world is the income tax.