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.
我们必须始终质疑我们的假设，并愿意根据新的证据修订我们的理论。
在数学中，发现的旅程和目的地一样重要。
信仰与看不见的事物有关，希望与不在手边的事物有关。
Man is much more than he thinks.
Love doesn't just sit there, like a stone; it has to be made, like bread, remade all the time, made new.