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.

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

Most of the important things in the world have been accomplished by people who have kept on trying when there seemed to be no hope at all.

I am certainly not one of those who need to be prodded. In fact, if anything, I am the prod.

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

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

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

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

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