The purpose of a model is to be simple enough to understand and use, but complex enough to capture the essential features of the system.
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。
"Ein Buch zu schreiben ist wie eine Reise in ein unbekanntes Land."
小说是我们用来讲述真相的谎言。
To love oneself is the beginning of a lifelong romance.
"In my work, I aim to challenge societal norms and question the status quo."
The method of psychology must be strictly controlled.