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。
子夏说：“重贤轻色、尽心孝顺父母、尽力献身国家、交朋友言而有信的人，即使没有高等学历，我也认为他已经受到了良好的教育。”
"The number one benefit of information technology is that it empowers people to do what they want to do."
艺术家必须是不可见之物的舞者。
A great business at a fair price is superior to a fair business at a great price.