关于我们所有人的基本事实是，我们会活一段时间，但不久就会死去。
The fundamental fact about all of us is that we're alive for a while but will die before long.
The boy and his heart had become friends, and neither was capable now of betraying the other.
Economics is the study of how societies use scarce resources to produce valuable goods and services and distribute them among different individuals. If we think about the definitions, we find two key ideas that run through all of economics:
AdS/CFT对应是理解量子引力的有力工具。
争功诿过是小人的本事，掩饰过错、夸耀功劳是凡人的本色，功劳美好谦让于别人是君子的行为，替他人担当罪过是成就德行的事。
We must design products with their end-of-life in mind from the very beginning.
韧性是通过挑战而非安逸建立的。
La memoria es un arma cargada de futuro.