If you save a life at risk to your own, you're--you deserve praise.

如果你冒着危险挽救了一条生命,那你是理应受到表扬的

耶鲁公开课 - 心理学导论课程节选

When you're in a group doing something terribly aggressive and you are not--you don't feel like you're at risk you might laugh and laughter is a signal to other members of your group as a signal of solidarity and what you're doing together.

当你在群体在做具有强烈攻击性的行为时,你不会觉得自己有危险,你会笑,你笑是向其他群体成员传达一个信号,你们团结一致，共同进退。

耶鲁公开课 - 心理学导论课程节选

If some group, let's say you have cholesterol of two hundred and your relative risk is established at one, and then if you have cholesterol two fifty your relative risk is two, that means you have twice the risk, so relative risk of two is twice the risk, three is three times the risk, etc.

比如说有一个组,胆固醇水平200,相对风险设为1,另一个组胆固醇水平是250,相对风险是2,即第二组的相对风险是参照组的两倍,相对风险是2代表两倍风险,3代表三倍风险,如此类推

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选