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？

"If you want a picture of the future, imagine a boot stamping on a human face—forever."

But this long run is a misleading guide to current affairs. In the long run we are all dead.

You can't be that kid standing at the top of the waterslide, overthinking it. You have to go down the chute.

The only thing you sometimes have control over is perspective. You don't have control over your situation. But you have a choice about how you view it.