You have to be strong mentally to succeed at the highest level.

In an uncertain era, the only certainty is change itself.

The increase of national wealth depends chiefly upon the increase of production.

Every action has its pleasures and its price.

To write is to create a world within a world.

过去从未死去，它甚至还未过去。

领导力中最重要的是倾听——真正倾听你周围的人。