激励是一种艺术，是让人们去做你想让他们做的事，因为他们自己也想去做。
Motivation is the art of getting people to do what you want them to do because they want to do it.
程序最重要的属性是它是否实现了用户的意图。
Happiness requires both pleasure and purpose - neither alone is sufficient.
如果中原真的能消除战乱，我们两个老头子又何妨老死在戍边之地。
The sun is our most powerful tool in Africa. We must learn to work with it, not against it.
The sun himself is weak when he first rises, and gathers strength and courage as the day gets on.
All happiness depends on courage and work.
