The way in which men produce their means of subsistence depends first of all on the nature of the actual means they find in existence and have to reproduce.

已知有限，未知无穷；在理智上，我们立于无边不可解海洋中的一座小岛。

Wages depend on the price of necessaries required for the support of the laborer.

"The best way to predict the future is to invent it."

The coal industry has a critical role to play in providing affordable and reliable energy while we transition to a lower-carbon future.

我们了解到改变对成长是必要的。

我们把世界看错了，反说它欺骗我们。