The frog in the well does not know the ocean. - Zhuangzi [Zhuang Zhou / Chuang Tzu] (c. 369? - c. 286B.C.?)
/ He that stays in the valley shall never get over the hill.
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井の中の蛙大海を知らず。 - 荘子［荘周］ (紀元前369頃? - 前286頃?): 「秋水」
/ 谷の中に留まる者が、山を乗り越えることはない。
![IMAGE: The usefulness of (the) useless. [Everyone knows the usefulness of useful things, but no one knows the usefulness of useless things. / Everyone knows the use of the useful, but not the use of the useless.] (Even if something did not bring immediate benefit, it could still turn out to be valuable.)](https://www.ok312.net/wp-content/uploads/2026/01/place-name-sign-822236_640-100x71.jpg)
![IMAGE: The Child is father of the Man. [The Child is the father of the Man.] / A leopard cannot change his spots.](https://www.ok312.net/wp-content/uploads/2015/10/dad-909510_640-100x55.jpg)
