如果主权者对一个臣民的要求比另一个臣民多的话，事情就变成个别的，他的权力也就不再凑效了。

读书人不能不心胸宽广意志刚强，因为肩负重任而且征途遥远。他把实现仁的理想作为自己的使命，担子难道不重吗？他为这种理想而奋斗，直到死去为止，路途难道不远吗？

In science, the most important discoveries often come from paying attention to the unexpected.

If you don’t take risks, you’ll never know what you could have achieved.

Recursion is the root of computation since it trades description for time.

The only way to have a friend is to be one.

挑战是伪装的机遇；拥抱它们并变得更强大。