In an 1846 math textbook from the Free Grammar School of King Edward VI, one exercise considers an exchange of 450 bags of potatoes for cash, 15 chests of oranges, and 185 bushels of carrots; the remainder is nuts. The question is posed: “How many bags of nuts did I receive?”

A thirteenth-century Song dynasty text about commerce describes dangers faced by pearl divers, who sometimes fell prey to “huge fishes, dragons, and other sea monsters” that would rip open their stomachs or bite off their feet. A pearl was considered most valuable if perfectly round; the test was “that it will not cease rolling about all day when put on a plate.” To avoid heavy export duties, foreign traders sometimes concealed pearls in canes or umbrella handles.

Ottoman humorist Yusuf al-Shirbini of Egypt railed against unfair levies, referring to them as “things being called innovation.” Al-Shirbini quoted scripture: one who brings about “an innovation or provides accommodation for an innovator, upon him be the curse of God.”

Corporations, wrote Edward Coke in a 1613 legal decision, “have no souls,” for they are “invisible, immortal, and resteth only in intendment and consideration of the law.” A corporate body, Coke argued, can’t “do fealty, for an invisible body cannot be in person, nor can swear.”

One of the most extensive surviving archives of Old Babylonian writing consists of letters sent to Ea-nasir, an eighteenth-century-bc copper merchant from Ur. “You have offered bad ingots to my messenger,” complained one trading partner. “Who am I that you are treating me in this manner?” Another customer appears repeatedly in the archive, each time inquiring about a missing copper shipment. “Do you not know,” he wrote in his third missive, “how tired I am?”