In the development of mankind as a whole, just as in individuals, love alone acts as the civilizing factor in the sense that it brings a change from egoism to altruism.
Sigmund FreudYou can always make a lot of people love one another so long as there are a smaller number outside the group for them to kick.
Sigmund FreudExperience teaches that for most people there is a limit beyond which their constitution cannot comply with the demands of civilization. All who wish to reach a higher standard than their constitution will allow, fall victims to neurosis. It would have been better for them if they could have remained less "perfect".
Sigmund Freud