Computers are wasteful of paper and time. Once, we'd get documents with a few errors. Now, people make hundreds of copies until each sheet is flawless and memos are duplicated endlessly. Managers get swamped with emails.

Ideas don't make you rich. The correct execution of ideas does.

I have an over-attachment to precision, which is why I've sold more magazines than any man alive.

Good ideas are like Nike sports shoes. They may facilitate success for an athlete who possesses them, but on their own they are nothing but an overpriced pair of sneakers. Sports shoes don't win races. Athletes do.

I hear poets complaining: 'We face what our forebears did not face. We face TV. We face radio. We face this and that.'

I don't take investment advice from wealth managers. I have grown several businesses from scratch and amassed many millions from my publishing empire - why would I take advice from someone who has never experienced that?

People who grow rich almost always improve their sex life. More people want to have sex with them. That's just the way human beings work. Money is power. Power is an aphrodisiac. Money did not make me happy. But it definitely improved my sex life.