How To Win Friends and Influence People
We aren’t able to make real changes by criticizing people, and we’re instead often met with resentment. It’s important to remember that when dealing with people, we’re dealing not with creatures of logic, but with creatures of emotion, who are motivated by pride and ego.
Criticism is futile and dangerous. It puts a person in a defensive mode. People learn faster and retain knowledge more effectively when rewarded for good behavior than punished for bad behavior