乐观是一种工具，你可以用它来实现你为自己设定的目标。

The ground for taking ignorance to be restrictive of freedom is that it causes people to make choices they would not have made had they seen what their choices involved.

There is no better teacher than history in determining the future……There are answers worth billions of dollars in a history book.

最好的想法往往来自于倾听——倾听你的团队、客户，甚至是竞争对手。

创造力是用之不竭的。你用得越多，拥有的就越多。