We call the wise age that in which men had a wonderful knowledge of science which we recognize without fail by certain signs, although without knowin… - Simon Stevin

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We call the wise age that in which men had a wonderful knowledge of science which we recognize without fail by certain signs, although without knowing who they were, or in what place, or when. ...It has become a matter of common usage to call the barbarous age that time which extends from about 900 or a thousand years up to about 150 years past, since men were for 700 or 800 years in the condition of imbeciles without the practice of letters or sciences—which condition had its origin in the burning of books through troubles, wars, and destructions; afterwards affairs could, with a great deal of labor, be restored, or almost restored, to their former state; but although the afore-mentioned preceding times could call themselves a wise age in respect to the barbarous age just mentioned, nevertheless we have not consented to this definition of such a wise age, since both taken together are nothing but a true barbarous age in comparison to that unknown time at which we state that it [i.e., the wise age] was, without any doubt, in existence.