The Sophists in Plato’s time were men who used philosophy for profit, inventing moral loopholes to get people out of obligations, or to excuse what would otherwise be considered immoral behavior.
That we don't have one set of standard moralobligations.
我们没有一套标准的道德义务。
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And we have to ask ourselves, in a society with limited resources and virtually unlimited health care needs, do we have equal moralobligations to provide the drug to both those sorts of individuals?