我不是悲观主义者，我是一个受过悲观主义训练的乐观主义者。

坚守道德底线，有时可能会遭受短暂的冷落；可那些依附权势利欲熏心的人，搞不好会万古凄凉。真正通达明理的人，不会囿于物质本身，而更在意身后的名誉。所以他们宁愿承受一时的冷落，也不愿遭受永久的凄凉。

"We are still in the early days of understanding how to build truly intelligent systems."

可持续林业不是成本，而是对韧性的投资。

Writing is a way of connecting with others.

If your opinions on one subject can be predicted from your opinions on another， you may be in the grip of an ideology. When you truly think for yourself your conclusions will not be predictable.

The best investment you can make is in yourself.

每个故事都有潜力去激励、教育和娱乐。

对煤炭的战争就是对美国工人的战争。