Leadership is about creating more leaders, not more followers.

You can survive almost anything if you can just keep putting one foot in front of the other.

The measure of a civilization is how it treats its writers.

要解决一个问题，首先必须理解它的本质，然后找到正确的工具来处理它。

凡是有形的事物，都是虚幻不实的。

数学是所有科学建立的基础。