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.

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

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

A budget tells us what we can't afford, but it doesn't keep us from buying it.

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

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

Business, that's easily defined - it's other people's money.

In this world nothing can be said to be certain, except death and taxes.

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