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

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

An economist's guess is liable to be as good as anybody else's.

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

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

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

Business is never so healthy as when, like a chicken, it must do a certain amount of scratching around for what it gets.

I think that there is nothing, not even crime, more opposed to poetry, to philosophy, ay, to life itself than this incessant business.

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

Just because something doesn't do what you planned it to do doesn't mean it's useless.