创新不仅仅是关于新的想法，而是关于有效地执行它们。

No president who performs his duties faithfully and conscientiously can have any leisure.

成功就是喜欢自己，喜欢自己所做的事，并且喜欢自己做这件事的方式。

Anarchy is the permissive cause of war; it creates an environment in which states have to rely on self-help to ensure their survival.

世界并不友善，但它是正确的。