Kill not the goose that lays the golden eggs. - Aesop (c.620 - c.560B.C.): Aesop's Fables "The Goose and the Golden Egg"
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金の卵を産むガチョウを殺すな。 - イソップ［アイソーポス］ (紀元前620頃 - 前560頃): 『イソップ物語［寓話／童話］』「ガチョウと黄金の卵」
/ （日本の諺・慣用句）元も子も無い。
![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)
