The transformation of the coal industry requires both determination and patience.
研究的坚持是关键;自然只向有耐心的人揭示它的秘密。
专制制度就像地狱一样,并不容易战胜,但我们可以安慰的是:斗争越艰巨,胜利将越光荣。
Never underestimate the power of a small, dedicated team to change the world.