Will the best regime be a small closed society ? that through generations has made a supreme sacrifice towards self-perfection? Think of that.

最优的政体会是一个小型封闭的社会吗,经过多代之后，已壮烈地牺牲于自我完善之中,想想这个问题。

耶鲁公开课 - 政治哲学导论课程节选

It's the violence of this horrible act of self-sacrifice, this tragic act of self-sacrifice -- an act of self-sacrifice - intended obviously to preserve the state of virginity -- that grabs our attention and presumably grabbed Milton's.

正是这种可怖的自我牺牲行为的暴力，这种悲剧的自我牺牲--这种明显是,要保护童贞的自我牺牲的行为-,吸引了我们的注意力，大概也吸引了弥尔顿的注意力。

耶鲁公开课 - 弥尔顿课程节选

But the guy working, the one on the track off to the side, he didn't choose to sacrifice his life any more than the fat man did, did he?

但在侧轨上施工的那名工人，他并不比那个胖子，更愿意牺牲自我，不是吗？

耶鲁公开课 - 公正课程节选

If you imagined a choice between this one gene that makes the animal choose to die and the other gene that makes an animal choose for its brothers to die, the gene that sacrifices the body it belongs to will make more copies in the future.

如果你想象做一个选择,一个基因让动物选择死亡,另一个基因让动物,选择为它的兄弟死亡，自我牺牲的基因,将来会复制更多自己。

耶鲁公开课 - 心理学导论课程节选