可能領域を見極めるには、その境界を越えて不可能領域へ踏み込んで行くしかない。 - アーサー・Ｃ・クラーク (1917 - 2008): 『失われた宇宙の旅 2001』
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The only way of finding the limits of the possible is by going beyond them into the impossible. - Arthur C(harles) Clarke (1917-2008): The Lost Worlds of 2001
![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: Patriotism is your conviction that this country is superior to all others because you were born in it. [Patriotism: Your conviction that this country is superior to all other countries because you were born in it. / Patriotism is, fundamentally, a conviction that a particular country is the best in the world because you were born in it.]](https://www.ok312.net/wp-content/uploads/2025/10/ai-generated-9017144_640-100x67.jpg)
![IMAGE: So they are [So you are] no longer two but one flesh. What God then has joined, man must not separate.](https://www.ok312.net/wp-content/uploads/2014/07/heart-186032_1280edit312-100x75.jpg)
![IMAGE: Hills are green far away. / All cats are gray in the dark. [All cats are gray at night].](https://www.ok312.net/wp-content/uploads/2015/03/landscape-658056_640-100x64.jpg)