自信不是"他们会喜欢我"，而是"如果他们不喜欢我，我也没关系"。

孔子说：“管理国家要以身做则。如同北极星，安然不动而众星绕之。”

"The fundamental fact about all of us is that we're alive for a while but will die before long. This fact is the real root cause of all our anger and pain."

"Good research is about asking the right questions, not just applying fancy methods."