Swim upstream. Go the other way. Ignore the conventional wisdom. If everybody else is doing it one way, there's a good chance you can find your niche by going in exactly the opposite direction.
关于教育的斗争不仅仅是关于知识、权力和身份的斗争，也是关于希望和未来意义的斗争。
你为某件事付出的努力越多，实现时的成就感就越大。
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.