These cubs are not going to survive once they are born so the female's best strategy is to get rid of them and start anew.

一旦幼仔出生后不能生存,雌狮的最好方式,是摆脱掉它们，开始新生活。

耶鲁公开课 - 心理学导论课程节选

If you have a cold, try to get away from your own selfish perspective, "I have a cold." Look at it from the perspective of the cold virus.

如果你感冒了，试图摆脱掉你自私的角度，我感冒了，从病毒的角度看问题。

耶鲁公开课 - 心理学导论课程节选