To be happy you have to fulfill your nature. That's what Aristotle taught so many centuries ago, that the road to happiness isn't to go drink more or…

- Charles Koch

We must measure what leads to results, not simply what is easy to measure.

- Charles Koch

If you never failed, then you're probably not doing very much.

- Charles Koch

I don't believe in a plumb line. I believe in the exchange of ideas.

- Charles Koch

To do meaningful work is to contribute - to create value in society.

- Charles Koch

Successful companies create value by providing products or services their customers value more highly than available alternatives. They do this while…

- Charles Koch

Success is one of the worst enemies of success, because success tends to breed complacency and lack of humility.

- Charles Koch

I've always believed in the saying that "there is no limit to what you can accomplish if you don't care who gets the credit."

- Charles Koch

The only way you improve is to try new things.

- Charles Koch