To lose a language is to lose a way of seeing the world.
失去一种语言就是失去一种看世界的方式。
宁可有求全责备之非议,也不要有不符实情之誉。
The past is always tense, the future perfect.
The best way to predict the future is to create it.
真正的挑战不在于解方程,而在于理解解的含义。
Not what we have, but what we enjoy, constitutes our abundance.