对于系统，翻版的模拟是在控制图中添加一个创建循环的边，而不仅仅是一个附加节点。
For systems, the analogue of a face-lift is to add to the control graph an edge that creates a cycle, not just an additional node.
和我一起变老吧！最好的还在后头。
一个公司的成功不仅仅由利润来衡量，还取决于它对社会和环境的积极影响。
There are two ways to extend a business. Take inventory of what you are good at and extend out from your skills. Or determine what your customers need and work backwards, even if it requires learning new skills.
Emotion is the chemical reaction of mental elements.
