煤炭的未来取决于我们能否使其更清洁、更高效。
Coal’s future depends on our ability to make it cleaner and more efficient.
可持续发展不再是可选项，而是任何负责任的采矿业务的必要条件。
The human condition is one of perpetual suffering.
当下是唯一的现实，唯一的确定性。
"Life on a lifeboat isn't much of a life. It is like an end game in chess, a game with few pieces. The elements couldn't be more simple, nor the stakes higher."
The world is full of obvious things which nobody by any chance ever observes.
The most successful societies are those that have been able to balance the need for a strong state with the need for individual freedom.