如果你想走得快，独自前行；如果你想走得远，结伴同行。

To lose one parent may be regarded as a misfortune; to lose both looks like carelessness.

A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.

最好的故事是为读者留出空间的故事。

灵魂是心理过程的总和，从其因果相互联系的角度来看。