最好的安全协议是一种每个工人都互相照顾的文化。
我们从地下开采的石头承载着4亿年的历史,我们只是暂时的保管者。
科学是人类认识世界、改造世界的强大武器。
Some people have an ability to negotiate. It's an art you're basically born with. You either have it or you don't.