"We tried war, we tried aggression, we tried intervention. None of it works. Why don't we try peace, as a science of human relations, not as some vague notion - as everyday work."

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The fateful question for the human species seems to me to be whether and to what extent their cultural development will succeed in mastering the disturbance of their communal life by the human instinct of aggression and self-destruction ... One thing only do I know for certain and that is that man's judgements of value follow directly from his wihes for happiness-that, accordingly, they are an attempt to support his illusions with arguments.

— Sigmund Freud