"Let Every Man Mind His Own Business"
Context: The Knight's reaction at seeing a gang of prisoners chained together and bound for the galleys, is to rescue them. Are they not being forcibly prevented from exercising free power of choice? First, however, he inquires the reason for their punishment. As the most villainous of them, Ginés de Passamonte, tries to explain, the officer shouts him down. Ginés protests:
. . . the law did not give us to your keeping for you to abuse us, but only to conduct us to where the king has occasion for us. Let every man mind his own business, and give good words, or hold his tongue; for by the blood–I will say no more, murder will out. . . .