写作不是为了取悦别人,而是为了发现自己。
The best way to predict the future is to invent it.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
人依靠自己的力量人才能生存,不依靠自己的力量人就不能生存。 
Innovation isn't about reinventing the wheel; it's about making the wheel better, stronger, and more efficient.