A calculation questioned is a calculation that has begun the... - Eratosthenes

"A calculation questioned is a calculation that has begun the journey toward truth."

Eratosthenes

Mathematician Geographer Ancient Greece 276–194

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"Measure the Earth and you measure the heavens."

"Knowledge is the greatest treasure of all."

"The pursuit of truth requires courage and perseverance."

"In mathematics, all things are possible."