I think it's important to keep challenging yourself, to keep growing.
The past is always with us, for it feeds the present.
当某件事足够重要时,即使胜算不大,你也会去做。
我们建造了太多的墙,而没有建造足够的桥梁。
数学中最深刻的思想往往源于最简单的观察。