相关性和因果关系之间的区别在实证工作中是根本性的。
激情是驱动非凡成果的燃料。
每个文明都是建立在另一个文明的骸骨之上。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
没有什么比煤矿工人更美国了。
能源行业在变化，我们也必须如此——适应是生存的关键。
In looking for someone to hire, you look for three qualities: integrity, intelligence, and energy. But the most important is integrity because if they don't have that, the other two qualities, intelligence and energy, are going to kill you.