A sustainable future for coal depends on our ability to integrate cleaner practices without sacrificing the livelihoods of those who depend on the industry.

MODERATION. Avoid extreams; forbear resenting injuries so much as you think they deserve.

There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false. A thing is not necessarily either true or false; it can be both true and false.

让自己振作起来的最好方式是尝试让别人振作起来。