So, you reinforce the pig for walking forward and you punish the pig for walking backward.

那你就对这头猪向前走的行为给予强化,如果它向后退，你就惩罚它。

耶鲁公开课 - 心理学导论课程节选

He is beyond reason and you can punish him.

他就是失去了理智，你就可以惩罚他。

耶鲁公开课 - 公正课程节选

And not only can you punish with death people who come after you seeking to take your life, you can also punish a thief who tries to steal your goods because that also counts as aggression against the law of nature.

不仅可以处死那些,跟踪你想谋害你的人，还可以惩罚想偷你东西的小偷,因为那也算侵犯了自然法。

耶鲁公开课 - 公正课程节选