Many of us think that given the valuable and precious thing that life is, suicide makes no sense.

许多人认为生命被赋予了有价值的,珍贵的东西，自杀是毫无意义的。

耶鲁公开课 - 死亡课程节选

And so, rewarding children has a danger, which is if you give them too much reward and too much a value for what they're doing they will denigrate the activity.

所以奖励孩子是有隐患的，如果你给他们太多奖励,赋予他们的活动太多价值,他们就会贬低这个活动。

耶鲁公开课 - 心理学导论课程节选