You feel desperate because you know that if you crash into these five workers, they will all die.

你此时极度绝望,因为你深知,如果电车撞向那五名工人，他们全都会死。

耶鲁公开课 - 公正课程节选

They understood the potentiality of human beings, their limitations and the predicament in which they live.

因为他们深知人的潜能,极限以及人类生活的困境

耶鲁公开课 - 古希腊历史简介课程节选