"The knowledge of anything, since all things have causes, is not acquired or complete unless it is known by its causes."

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Source : "On Medicine". Essay by Avicenna (circa 1020), as quoted in "The Sacred Books and Early Literature of the East" edited by Charles F. Horne (Volume VI "Medieval Arabia", pp. 90-91), sourcebooks.fordham.edu. 1917.

Avicenna

#Causes Quotes

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