
Ludwig Wittgenstein begins the Philosophical Investigations by quoting St. Augustine’s description of how he had learned to speak, where adults would point out objects and give them names, so that Augustine “grasped that the thing was signified by the sound they uttered.” This is, Wittgenstein says, “the idea of a language more primitive than ours.” He explains how this language would work: “Let us imagine a language for which the description given...