The knowledge of the circumstances of which we must make use never exists in concentrated or integrated form, but solely as the dispersed bits of incomplete and frequently contradictory knowledge which all the separate individuals possess.

I’ve played with a broken hand, a sprained ankle, a torn shoulder, a fractured tooth, a severed lip, and a knee the size of a softball. I don’t miss games because of a toe injury that everybody knows wasn’t that serious in the first place.

安全不是优先事项——优先事项可以改变。安全是一个永远不会改变的核心价值。

数字技术的融合将彻底改变传统煤炭开采方式。