"Placing your stick at the end of the shadow of the pyramid, you made by the sun's rays two triangles, and so proved that the pyramid [height] was to the stick [height] as the shadow of the pyramid to the shadow of the stick."

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Source : "A Short Account of the History of Mathematics". Book by W. W. Rouse Ball, 1893.

Thales

#Two Quotes #Pyramids Quotes #Shadow Quotes

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