世界是一本书，不旅行的人只读了一页。

Leadership is a two-way street, loyalty up and loyalty down. Respect for one's superiors; care for one's crew.

"In the end, we will remember not the words of our enemies, but the silence of our friends."

学习理论中的一个关键见解是，假设类的复杂性对于泛化至关重要。