模型的目的是足够简单以便理解和使用，但又足够复杂以捕捉系统的基本特征。

我的画像是无声的尖叫。

唯一让生活成为可能的，是永久且难以忍受的不确定性——不知道接下来会发生什么。

We are like travelers who have lost their way； we must ask， each one， for directions from a passerby.

Remember, if you ever need a helping hand, you'll find them at the end of each of your arms. As you grow older, you will discover that you have two hands, one for helping yourself, the other for helping others.

城市的建筑应该讲述它的故事。

我相信梦想的力量。