Daniel Kahneman

People are very complex. And for a psychologist, you get fascinated by the complexity of human beings, and that is what I have lived with, you know, in my career all of my life, is the complexity of human beings.

You know, the standard state for people is 'mildly pleasant.' Negative emotions are quite rare, and extremely positive emotions are rare. But people are mildly pleased most of the time, they're mildly tired a lot of the time, and they wish they were somewhere else a substantial part of the time - but mostly they're mildly pleased.

Those of us in law enforcement must redouble our efforts to resist bias and prejudice. We must better understand the people we serve and protect - by trying to know, deep in our gut, what it feels like to be a law-abiding young black man walking on the street and encountering law enforcement. We must understand how that young man may see us.