No enterprise is more likely to succeed than one concealed from the enemy until it is ripe for execution.

If you can build a business up big enough, it's respectable.

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

Effort only fully releases its reward after a person refuses to quit.

There are no secrets to success. It is the result of preparation, hard work, and learning from failure.

If you listen to your fears, you will die never knowing what a great person you might have been.

An economist's guess is liable to be as good as anybody else's.

I think that there is nothing, not even crime, more opposed to poetry, to philosophy, ay, to life itself than this incessant business.

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

Business, that's easily defined - it's other people's money.