把你的员工训练到可以让他们找到另一份工作的水平，但同时也要善待他们，这样他们就永远不会想去找另一份工作。
Train employees well enough they could get another job， but treat them well enough so they never want to.
Don't think about starting. Just start.
The city is a school, and its buildings are the teachers.
生活中唯一不变的是变化。
当障碍被消除而非设立时，创新才能蓬勃发展。
释义：善于用兵的人，会顺应天地的规律，与之同行。这句话强调用兵之道在于顺应自然。
Coal is China's main energy source and will remain the cornerstone of China's energy security for a long time to come.