I'm not trying to be sexy or cute. I'm just being myself.
The historian's first duty is to tell the truth as he sees it, regardless of whom it pleases or displeases.
如果不理解两者,就无法理解个人的生活或社会的历史。
如果你不愿意承担风险,你就没有准备好领导。
The only way to learn mathematics is to do mathematics.