Rigor in proof is what separates mathematics from all other sciences.
证明的严谨性将数学与所有其他科学区分开来。
今日最主要的势利，就是对职业的势利。你在派对中不用一分钟就能体会到，当你被问到这个21世纪初，最有代表性的问题：你是做什么的？你的答案将会决定对方接下来的反应，对方可能对你在场感到荣幸，或是开始看表，然后想个借口离开。
Silence is not the absence of sound, but the presence of an unspoken truth.
The journey, not the arrival matters.
A literatura é a arte de transformar palavras em sentimentos.
The key to successful investing is to have a long-term perspective and a disciplined approach.
检验统计假设的问题是科学方法整体问题的一个组成部分。