The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
任何事都要争先的人,必定有人挤兑他;任何事都要争胜的人,必定遭人打击。
I think goals should never be easy, they should force you to work, even if they are uncomfortable at the time.
The wise are not ashamed to seek knowledge, for they know the ocean of wisdom is boundless.