The secret of business is to know something that nobody else knows.

A critic is a man who knows the way but can't drive the car.

I have tried to know absolutely nothing about a great many things, and I have succeeded fairly well.

A photograph is a secret about a secret. The more it tells you the less you know.

Knowledge which is acquired under compulsion obtains no hold on the mind.

There are some people who, if they don't already know, you can't tell 'em.

My son is now an 'entrepreneur.' That's what you're called when you don't have a job.

Things are more like they are now than they ever were before.

Knowledge fills a large brain; it merely inflates a small one.

The Packers have lots of owners nobody knows instead of one owner who doesn't know squat.

The gambling known as business looks with austere disfavor upon the business known as gambling.

He who knows that enough is enough will always have enough.

There was a time when a fool and his money were soon parted, but now it happens to everybody.

The greater our knowledge increases the more our ignorance unfolds.

Of all the noises known to man, opera is the most expensive.

The Sixties are now considered a historical period, just like the Roman Empire.