The more you know who you are, the less you let things upset you.
Mathematics is the language of the universe, and through it, we can understand the fundamental principles that govern our world.
孔子说：“三军可以剥夺主帅，匹夫不可剥夺志向。”
如果你不犯错，说明你解决的问题还不够难。
In this business, if you're good, you're right six times out of ten. You're never going to be right nine times out of ten.