每个人都有一种内在的、与生俱来的自我实现动力。
世界充满了故事,每一个故事都是通向不同现实的窗口。
老年人相信一切,中年人怀疑一切,年轻人知道一切。
The only limit to our realization of tomorrow will be our doubts of today.
Coal has been the backbone of industry, and with innovation, it can continue to be.