农业效率必须与生态限制相协调——我们无法超越自然。
The most important thing is to disturb the comfortable and comfort the disturbed.
The stock market is not a casino, but it can be if you treat it like one.
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.
In one minute you can change your attitude and in that minute you can change your entire day.