Description
"It is manifest that everything in the world, whether it be substance or accident, produces rays in its own manner like a star... Everything that has actual existence in the world of the elements emits rays in every direction, which fill the whole world." – Al-Kindi, "De Causis diuersitatum aspectus et dandis demonstrationibus geometricus super eas", also known as "De Aspectibus" (ca. 860)
"Marriage is the union of two different surnames, in friendship and in love, in order to continue the posterity of the former sages, and to furnish those who shall preside at the sacrifices to heaven and earth, at those in the ancestral temple, and at those at the altars to the spirits of the land and…
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