是可忍也，孰不可忍也。
【译文】孔子谈到季氏说：“他用天子的舞蹈阵容在自己的庭院中舞蹈，这样的事情都可以被容忍，还有什么是不能容忍的？”
历史不是过去——它是我们组织对过去无知的方法。
Life is the teacher, and love is the lesson.
Respect your efforts, respect yourself. Self-respect leads to self-discipline. When you have both firmly under your belt, that's real power.
The reality is: sometimes you lose. And you’re never too good to lose. You’re never too big to lose. You’re never too smart to lose. It happens.
在数学中，你不理解事物。你只是习惯它们。