富人和你我不同——他们钱更多，同情心更少。
The more you live, the more you learn. The more you learn, the more you realize how little you know.
你活得越久，学得越多。学得越多，就越意识到自己知道的多么少。
The P versus NP problem is one of the most important problems in computer science.
Use， do not abuse...Neither abstinence nor excess ever renders man happy.
With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.
释义：如果两人志趣相投，即使隔着高山和大海也不会感到遥远，如果两人理念不合，近在眼前也觉得心离得远。
Sustainability isn't a choice; it's the only path forward for responsible business.