“The universe cannot be read until we have learnt the language and become familiar with the characters in which it is written. It is written in mathematical language, and the letters are triangles, circles and other geometrical figures.”
英语
“宇宙在我们学会其语言并熟悉其书写符号之前是无法被理解的。它以数学语言写成，其字母是三角形、圆和其他几何图形。”
《试金者》
“Eppur si muove.”
意大利语
“但它确实在动。”
据传在被迫放弃日心说后所言
“You cannot teach a man anything, you can only help him find it within himself.”
英语
“你不能教会一个人任何东西，你只能帮助他在自己内心发现它。”
“I have never met a man so ignorant that I couldn't learn something from him.”
英语
“我从未遇到过一个无知到我无法从他身上学到东西的人。”
“All truths are easy to understand once they are discovered; the point is to discover them.”
英语
“所有真理一旦被发现就容易理解；关键在于发现它们。”