"To understand perception, study its role in adaptation."
保卫国家政权，是那些君主和臣子等享受俸禄的人谋划的事；保卫整个天下，即使是地位低微的普通百姓也有责任参与。
Innovation is not just about creating something new; it's about making what exists better.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
市场保持非理性的时间可能比你保持偿付能力的时间更长。
I have lived with the prospect of an early death for the last 49 years. I'm not afraid of death, but I'm in no hurry to die. I have so much I want to do first.
义理（思想内容）、考据（文献考证）、辞章（文辞表达）三者缺一不可。
事实是，每个人都会伤害你；你只需要找到那些值得你为之受苦的人。