So, empathy, caring, sympathy don't kick in, but instead there's the aggression unleashed at somebody and there has to be some level of surprise.

所以移情，关怀，同情没有发挥作用，反而是释放了别人的侵略情绪,还必须在一定程度上出人意料。

耶鲁公开课 - 心理学导论课程节选

The general story of why we can't in general is because there's no surprise, there's no mock aggression, and also there may be a general deadening of self-stimulation.

为什么大部分人不能胳肢自己,是因为它在我们意料之内，没有打闹的侵略性，通常这种引自己笑的念头都会嘎然而止。

耶鲁公开课 - 心理学导论课程节选

And don't do any aggression, because Allah does not love aggressors.

NPR: Documentary Examines Muslim Brotherhood

Still, it's hard to argue that Mr. Spitzer's aggression didn't spur the industry to better practices.

WSJ: When Regulators Go Rogue