" that he would obey the “law of the land.” Magna Carta wasn’t nearly as important as Coke made it out to be, but by arguing for its importance, he made it important, not only for English history, but for American history, too, tying the political fate of everyone in England’s colonies to the strange doings of a very bad king from the Middle Ages. King John, born in 1166, was the youngest son of Henry II. As a young man, he’d studied with his father’s chief minister, Ranulf de Glanville, "

― Jill Lepore , These Truths: A History of the United States