"The past is never dead. It's not even past."
一个在真正饥饿时被喂食、在疲倦时被允许睡觉的婴儿会是一个满足的婴儿。
The relation between what we see and what we know is never settled.
煤炭开采的创新不仅仅是关于开采,而是要以更智能、更清洁、更高效的方式进行。