I am not a product of my circumstances. I am a product of my decisions.

I have to say to myself that some birds aren't very close. Their feathers are just too bright. When they fly away, you know it's a sin to lock them up, and you'll be inspired by them. Still, the place you live in is that much more drab and empty that they're gone. I think I really miss my friends.

人类心智是一套信息处理机制，这些机制由自然选择设计来解决我们狩猎采集祖先面临的适应性问题。