"I don't like that sort of school... where the bright childish imagination is utterly discouraged... where I have never seen among the pupils, whether boys or girls, anything but little parrots and small calculating machines."

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Very soon I discovered that if one gets a feeling for no more than a dozen other radiation and nuclear constants, one can imagine the subatomic world almost tangibly, and manipulate the picture dimensionally and qualitatively, before calculating more precise relationships.

— Stanislaw Ulam