法律与道德的区别是法律哲学中的一个基本问题。
骄傲是普遍的罪恶，是最大的恶习。
意志不是一种特殊的能力，而是心灵的一般功能。
Travel changes you. As you move through this life and this world you change things slightly， you leave marks behind， however small. And in return， life—and travel—leaves marks on you.
The P versus NP problem is one of the most important unsolved problems in computer science.
The most important thing in communication is hearing what isn't said.