
moral(s) -- payoff(s) / challenge(s) / game(s) / math(s) / plan(s) 
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media
/ idea(s)
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moral(s) / question(s) / value(s)
... the pursuit of self-interest
has much in common with heroin ...
both are human inventions ...
both slowly destroy the fabric
of whatever social institution
they invade ...
both are addictive
... (and) heroin was introduced as a cure for the evil(s) of morphine
science, morality and modern life
academic(s) / theme(s) / answer(s) / ethic(s) / dilemma(s)