人类行为是自然的一部分，可以通过自然科学的方法来研究。

In the midst of difficult times， it is our response that defines us， not the circumstances.

The key to solving complex problems is often to find the right abstraction that simplifies the problem without losing its essential features.

A proposition is an assertion that something is or is not the case.

A man of genius makes no mistakes. His errors are volitional and are the portals of discovery.

Sometimes you put walls up not to keep people out，but to see who cares enough to break them down.

作家是一个总是试图创造新事物、原创事物、前所未见事物的人。