教会没有强制服从的权力，他们为此制定的法律对任何人都没有约束力，除非经过他的自愿同意。

Coal mining is a partnership between the earth and human ingenuity.

Philosophy is not a doctrine but an activity.

The key is to set realistic customer expectations, and then not to just meet them, but to exceed them — preferably in unexpected and helpful ways.

永远不要低估一个相信共同愿景的团队的力量。

恐惧是盲目信仰的主要来源，也是残酷的主要来源之一。征服恐惧是智慧的开始。

A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it.