人为什么想要只狗，我想是为了安全。当你知道这个世界上至少还有一个生物在爱着你，这会让你感到安全。
Why does a person own a dog?”“For security, I guess...For the security of knowing that there's at least one creature in the world who likes you.
我们将有一天会明白，死永远不能够夺去我们的灵魂所获得的东西，因为她所获得的，和她自己是一体。
To study ancient DNA is to converse with the dead.
The most exciting breakthroughs often come from unexpected places.