„a problem well put is half solved.“

— John Dewey

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„Teachers need to be trained on how children learn, not only how to solve mathematical problems. They must know how to make learners well understand the New Math and enable them to solve mathematical problems.“
— Sukavich Rangsitpol
„Death solves all problems — no man, no problem.“
— Joseph Stalin
„A problem adequately stated is a problem solved theoretically and immediately, and therefore subsequently to be solved, realistically.“
— Buckminster Fuller
„Swords can’t solve every problem.“
— Rick Riordan