If you can make meat directly from plants, why would you need an animal?
【释义】:积累千万财富,不如掌握一门技艺。  
The journey of science is not just about finding answers, but about asking the right questions.
不用圆规和曲尺,就不能画出方形和圆形。比喻做事要遵循一定的法则。