The study of mathematics is like air or gravity—it is everywhere, and you can't see it, but you know it's there.
The desire for recognition, the thymotic part of the soul, is the most fundamentally human part of the soul.
The most important things are hardest to tell,because words shrink their importance.It's not easy to let strangers care about the good things in your life.
拓扑态对局部扰动的鲁棒性是拓扑在保护量子信息方面力量的一个证明。