"The key to success is to focus on goals, not obstacles."

学习数学的最好方法就是做数学。

His soul swooned slowly as he heard the snow falling faintly through the universe and faintly falling, like the descent of their last end, upon all the living and the dead.

用户体验差1%，在规模化后就是100%的灾难。

我从不后悔我生命中所做的任何事，因为它们造就了今天的我。