这是恐龙发生的事情吗？这是他们失踪的真正原因吗？我们可能永远不会知道。但是，人类对恐龙的灭绝如此感兴趣并非偶然。恐龙的下降使包括我们在内的哺乳动物蓬勃发展。这使我们怀疑我们是否也迟早会重复恐龙的消失。是否在最深的层次上，错不在盲目的命运 - 在天空中的一些火热中，而是我们自己的行为。
(Is this what happened to the dinosaurs? Is this the true cause of their disappearance? We may never know. But it is no accident that human beings are so interested in dinosaur extinction. The decline of the dinosaurs allowed mammals - including us - to flourish. And that leads us to wonder whether the disappearance of the dinosaur is going to be repeated, sooner or later, by us as well. Whether at the deepest level the fault lies not in blind fate - in some fiery meteor from the skies - but in our own behavior.)