Eratosthenes — "The world is not flat; it is a globe."
The world is not flat; it is a globe.
The world is not flat; it is a globe.
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"Give me a lever long enough and a fulcrum on which to place it, and I shall move the world."
"The stars are not just pretty lights, but objects to be studied."
"I have found a way to measure the size of the Earth with considerable accuracy."
"I am not afraid to challenge established wisdom."
"One must observe the world carefully to understand its secrets."
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