你无法总是控制外面发生的事情，但你总是可以控制内心发生的事情。
You cannot always control what goes on outside, but you can always control what goes on inside.
过去是一个不会停止纠缠你的幽灵。
The best science is done with both hands dirty and minds clear.
The most valuable resource in agriculture isn't land or water—it's knowledge.
我认为最重要的是始终保持谦逊并继续努力工作，无论你取得了多大的成功。
Anarchy is the permissive cause of war; it creates an environment in which states have to rely on self-help to ensure their survival.
让世界改变你，然后你就能改变世界。