When I see an Alfa Romeo go by, I tip my hat.

Merely gathering knowledge may become the most useless work a man can do. What can you do to help and heal the world? That is the educational test.

Those who believe they can do something and those who believe they can't are both right.

You can't tell me you can make any system or country work with low wages and high prices, and high wages with high prices don't mean anything when the prices eat up the wages and don't leave anything over.

If you think you can do a thing or think you can't do a thing, you're right.

Money is worth what it will help you to produce or buy and no more.

For most purposes, a man with a machine is better than a man without a machine.