If you can't explain it to a six year old, you don't understand it yourself. - Albert Einstein (1879 - 1955)
(Image by Gerhard Gellinger from Pixabay)
(Text-to-Speech by Sound of Text, using the engine from Google Translate)
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６歳の子供に説明できないなら、自分自身が理解していないということだ。 - アルベルト・アインシュタイン (1879 - 1955)
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