Efficiency is the first virtue of engineers.
Leadership is not about being in charge. It's about taking care of those in your charge.
教育是我们减少不平等和促进社会流动的最有力工具之一。
语言是一种自由创造的过程；其法则和原则是固定的，但生成原则的使用方式是自由且无限多样的。
Memories, even your most precious ones, fade surprisingly quickly. But I don’t go along with that. The memories I value most, I don’t ever see them fading.
你最大的敌人是你自己的人性——你的不耐烦、你的恐惧、你对认可的渴望。
长期来看，市场是一台称重机，但短期来看，它是一台投票机。