The hardest thing in the world to do is to think, and that is why people do so little of it.

When you once get an idea in which you believe with all your heart, work it out.

The time is coming when man will be able to determine the length of his lifespan by controlling his diet.

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.

Capital punishment is as fundamentally wrong as a cure for crime as charity is wrong as a cure for poverty.

If there is one thing which I would banish from the earth it is fear.

The most difficult job is the one that you never get started on.