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在任何情况下生存的最佳方法就是为之做好准备。
行为主义者放在自己面前的规则或衡量标准总是:我能否用"刺激和反应"来描述我所看到的这一行为?
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.