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

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

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

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

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

Just because something doesn't do what you planned it to do doesn't mean it's useless.

The hardest thing to understand in the world is the income tax.

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

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

It's not what you pay a man, but what he costs you that counts.