Life is like a roller coaster, live it, be happy, enjoy life.

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

孔子说：“一个人如果他的品质胜过文采就会粗野，文采胜过品质就会浮华。只有文采和品质配合恰当，才是君子。”

I don't want to be famous, I just want to be able to do what I love.

"Always forgive your enemies; nothing annoys them so much."

我为我们没有做的许多事情感到骄傲，就像为我们做过的事情感到骄傲一样。创新就是对一千件事情说不。