A tranquil mind is the source of health.

I don't wait for moods. You accomplish nothing if you do that. Your mind must know it has got to get down to work.

The greatest prosperity can exist only as the result of the greatest possible productivity of the men and machines in the establishment.

Innovation is not just about creating new products; it's about rethinking how we do everything.

穷人面临的约束往往是政策制定者看不到的。

对自己要求比别人期望的标准更高。永远不要为自己找借口。