随着年龄的增长，你会发现你有两只手，一只用来帮助自己，另一只用来帮助别人。
As you grow older, you will discover that you have two hands, one for helping yourself, the other for helping others.
Success is not an accident; it’s the result of habits.
To teach mathematics is to inspire the next generation of thinkers and problem solvers.
我认为对自己有幽默感并且不要把自己看得太重要是很重要的。
重要的不是你看到了什么，而是你观察到了什么。