Knowledge - Wikiquote

Knowledge - Wikiquote: Proverbs%5Bedit%5D%0AHe%20who%20knows%20not%2C%20and%20knows%20not%20that%20he%20knows%20not%2C%20is%20a%20fool.%20Shun%20him.%20%0AHe%20who%20knows%20not%2C%20and%20knows%20that%20he%20knows%20not%2C%20is%20simple.%20Teach%20him.%20%0AHe%20who%20knows%2C%20and%20knows%20not%20that%20he%20knows%2C%20is%20asleep.%20Wake%20him.%20%0AHe%20who%20knows%2C%20and%20knows%20that%20he%20knows%2C%20is%20wise.%20Follow%20him.%0ASeveral%20variants%20began%20appearing%20in%20English%20language%20periodicals%20late%20in%20the%2019th%20century%2C%20typically%20attributed%20as%20an%20Arabic%20or%20Persian%20proverb.%20E.g.%20Cosmopolitan%2C%20Volume%2023%20%28May%u2013October%201897%29%2C%20p.%20315.%20Later%20variants%20typically%20use%20%22a%20child%22%20rather%20than%20%22simple%22.%0AMen%20are%20four%3A%0AHe%20who%20knows%20not%20and%20knows%20not%20he%20knows%20not%2C%20he%20is%20a%20fool%u2014shun%20him%3B%0AHe%20who%20knows%20not%20and%20knows%20he%20knows%20not%2C%20he%20is%20simple%u2014teach%20him%3B%0AHe%20who%20knows%20and%20knows%20not%20he%20knows%2C%20he%20is%20asleep%u2014wake%20him%3B%0AHe%20who%20knows%20and%20knows%20he%20knows%2C%20he%20is%20wise%u2014follow%20him%21%0ALady%20Burton%2C%20Life%20of%20Sir%20Richard%20Burton.%20Given%20as%20an%20Arabian%20Proverb.%20Another%20rendering%20in%20the%20Spectator%20%28Aug.%2011%2C%201894%29%2C%20p.%20176.%20In%20Hesiod%2C%20Works%20and%20Days%2C%20293.%207.%20Quoted%20by%20Aristotle%2C%20Nicomachean%20Ethics%20%28c.%20325%20BC%29%2C%20I.%204.%20Cicero%2C%20Pro%20Cluent.%2C%2031.%20Livy%2C%20Works%2C%20XXII.%2029.%0AThere%20are%20four%20kinds%20of%20people%2C%20three%20of%20which%20are%20to%20be%20avoided%20and%20the%20fourth%20cultivated%3A%20those%20who%20don%27t%20know%20that%20they%20don%27t%20know%3B%20those%20who%20know%20that%20they%20don%27t%20know%3B%20those%20who%20don%27t%20know%20that%20they%20know%3B%20and%20those%20who%20know%20that%20they%20know.%0AAnonymous%20rendering%20of%20the%20Arab%20Proverb.%20Cited%20in%3A%20Hoyt%27s%20New%20Cyclopedia%20Of%20Practical%20Quotations%20%281922%29%2C%20p.%20419-23.%0AHe%20that%20hath%20knowledge%20spareth%20his%20words.%0AProverbs%2C%20XVII.%2027.%20Cited%20in%3A%20Hoyt%27s%20New%20Cyclopedia%20Of%20Practical%20Quotations%20%281922%29%2C%20p.%20419-23.%0A