If there is anything that a man can do well, I say let him do it. Give him a chance.

Hell, there are no rules here - we're trying to accomplish something.

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 one does not know to which port one is sailing, no wind is favorable.

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

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.

The superior man understands what is right the inferior man understands what will sell.

If you cannot work with love but only with distaste, it is better that you should leave your work.