Archimedes — "The surface of any sphere is four times its greatest circle."
The surface of any sphere is four times its greatest circle.
The surface of any sphere is four times its greatest circle.
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"No difficulty can be too great for the human mind, if it applies itself with diligence and skill."
"The number of grains of sand is not infinite, but finite."
"The value of pi is more than 3 10/71 and less than 3 1/7."
"The proportion of any sphere to the cylinder circumscribing it is as 2 to 3."
"Eureka! Eureka!"
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