Большой китайско-русский словарь
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Knowledge is not innate to man, how can we overcome doubt?
We are not born with knowledge, how does one achieve maturity? (i.e. without guidance from a teacher - Tang dynasty essayist Han Yu 韩愈)
«人非生而知之者，熟能无惑»
人非生而知之者，熟能无惑 в энциклопедиях