最终，我们记住的不是敌人的话语，而是朋友的沉默。
If you do what you’ve always done, you’ll get what you’ve always gotten.
People who cannot find time for recreation are obliged sooner or later to find time for illness.
The core of the energy revolution is cleanliness and efficiency, and the coal industry must actively adapt to this trend.
The pursuit of knowledge is a lifelong journey.