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.
The theory of computation is deeply connected to the philosophy of mind and the nature of intelligence.