In our study of psychopathology, we began as sadists trying to produce abnormality. Today, we are psychiatrists trying to achieve normality and equan… - Harry Harlow

Love is a wondrous state, deep, tender, and rewarding. Because of its intimate and personal nature it is regarded by some as an improper topic for experimental research. But, whatever our personal feelings may be, our assigned missions as psychologists is to analyze all facets of human and animal behavior into their component variables. So far as love or affection is concerned, psychologists have failed in this mission. The little we know about love does not transcend simple observation, and the little we write about it has been written better by poets and novelists.

Harry Harlow and his colleagues go on torturing their nonhuman primates decade after decade, invariably proving what we all knew in advance: that social creatures can be destroyed by destroying their social ties.

(W)hereas Milgram’s findings need constant reiteration in every generation, Harlow’s research no longer surprises us. One might say that its very success has made teaching it unnecessary: No one would argue against Harlow’s findings, as many students always want to do with Milgram’s.