如果流动,就流走;如果静止,就干涸;如果生长,就慢慢凋零,这个世界没有永恒。
The best way to conquer fear is to face it head-on.
危机中往往隐藏着机遇,关键是如何把握。
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.