投资者应专注于他们能控制的事情，并忽略市场的噪音。

Innovation in coal technology is just as important as innovation in any other energy sector.

"The colony is the place where the project of a new humanity is to be tested, where the dream of a world without borders is to be realized, where the dream of a world without races is to be realized, where the dream of a world without nations is to be realized, where the dream of a world without classes is to be realized."

"No man really knows about other human beings. The best he can do is to suppose that they are like himself."

Uncertainty is the new normal—prepare for it with agility and foresight.