Control your expenses better than your competition. This is where you can always find the competitive advantage.

自私基因理论并不是关于日常意义上的自私的理论。它是关于行为进化的理论。

All men have the stars, but they are not the same things for different people. For some, who are travelers, the stars are guides. For others they are no more than little lights in the sky. For others, who are scholars, they are problems. For my businessman they were wealth.