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

It usually takes me more than three weeks to prepare a good impromptu speech.

Hell, there are no rules here - we're trying to accomplish something.

The superior man understands what is right the inferior man understands what will sell.

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

If you cannot work with love but only with distaste, it is better that you should leave your work.

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

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.

If you listen to your fears, you will die never knowing what a great person you might have been.