最重要的是始终把用户放在我们一切工作的中心。
The most important thing is to always keep the user at the center of everything we do.
We must not always talk in the market-place of what happens to us in the forest.
人们为了被拯救，会去拯救别人。
Don’t wait for opportunities—create them.
学习新编程语言的唯一方法是用它编写程序。