For a normal person,smart and stupid is a relative term.I think,be good at handling and solving all kinds of contradictions people are smart people,conversely,is good at handling and solving all kinds of contradictions people,compared with the former is stupid.Man alive is to face a world full of contradictions,including their own is also in contradiction,if the life you can correct you face all the problems,you can say you are a great man,is really smart people.However many people can only deal with some contradictions,there are errors,so most people road is bumpy,but not stupid,just ordinary people,the most stupid people are dealing with contradictions is minimal,but this is rare
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