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4)

井蛙せいあは以もって海うみを語かたる可べからず

せいあはもってうみをかたるべからず
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Meaning
    1. a narrow-minded person cannot understand the ways of the world; a frog in the well cannot understand the ocean even if it is explained to it
      See also: 井の中の蛙、大海を知らず (いのなかのかわず、たいかいをしらず), 井蛙 (せいあ)
Kanji
井 セイ well, well crib, town 蛙 ア frog 以 イ by means of, because, in view of 海 カイ sea, ocean 語 ゴ word, speech, language 可 カ can, passable, approval
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