A man who doesn't think differently from his time and environment can't grow beyond his time and environment.

Businesses that grow by development and improvement do not die. But when a business ceases to be creative, when it believes it has reached perfection and needs to do nothing but produce no improvement, no development, it is done.

Stop being patient and start asking yourself, how do I accomplish my 10-year plan in 6 months? You will probably fail but you will be a lot further ahead of the person who simply accepted it was going to take 10 years.

We seldom break our leg so long as life continues a toilsome upward climb. The danger comes when we begin to take things easily and choose the convenient paths.

We know it because democracy alone has constructed an unlimited civilization capable of infinite progress in the improvement of human life.

The smartest people are constantly revising their understanding, reconsidering a problem they thought they'd already solved. They're open to new points of view, new information, new ideas, contradictions, and challenges to their own way of thinking.