In our study of psychopathology, we began as sadists trying to produce abnormality. Today, we are psychiatrists trying to achieve normality and equanimity.

Psychologists
Harry Harlow
U.S. psychologist (1905-81). His 1958 surrogate-mother work showed infant monkeys prefer contact comfort to feeding, grounding Bowlby's attachment theory. Later isolation studies helped spark U.S. animal liberation.
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Harry Harlow's Other Quotes
The disastrous effects of six or twelve months of social isolation were so devastating and debilitating that we had assumed initially that twelve months of isolation would not produce any additional decrement. This assumption proved to be false.
Contact comfort is a variable of overwhelming importance in the development of affectional responses, whereas lactation is a variable of negligible importance.
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.
The only thing I care about is whether the monkeys will turn out a property I can publish. I don't have any love for them. Never have. I really don't like animals.
Related Quotes
It is not living that matters, but living rightly.
-- Socrates
No one desires evil.
-- Socrates
Ethics is the ground of being of human community — the way of aidagara (betweenness) between person and person.
-- Tetsuro Watsuji
Do not impose on others what you yourself do not desire.
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Care for one another impartially; benefit one another in mutual exchange.
-- Mozi
A person may cause evil to others not only by his actions but by his inaction, and in either case he is justly accountable to them for the injury.
-- John Stuart Mill