To teach mathematics is to inspire the next generation of thinkers and problem solvers.
I have always been alone, but I have never been lonely.
Just as in a good novel, a good program must be full of interesting ideas, and very, very few words.
被爱的最好方法是去爱。
The reality is: sometimes you lose. And you're never too good to lose. You're never too big to lose. You're never too smart to lose. It happens.