凡是合理的都是存在的，凡是存在的都是合理的。

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

The city is a living organism that we must treat with care.

我认为当你爱一个人时，你必须准备好失去他们。

所有的真理一旦被发现，都很容易理解；关键在于发现它们。