"On Truth and Lie in an Extra-Moral Sense") is an (initially) unpublished work of Friedrich Nietzsche written in 1873, one year after The Birth of Tragedy. It deals largely with epistemological questions of truth and language, including the formation of concepts. Every word immediately becomes a concept, inasmuch as it is not intended to serve as a reminder of the unique and wholly individualized original experience to which it owes its birth, but must at the same time fit innumerable, more or less similar cases-which means, strictly speaking, never equal-in other words, a lot of unequal cases. Every concept originates through our equating what is unequal. According to Paul F. Glenn, Nietzsche is arguing that "concepts are metaphors which do not correspond to reality." Although all concept...

"On Truth and Lie in an Extra-Moral Sense") is an (initially) unpublished work of Friedrich Nietzsche written in 1873, one year after The Birth of Tragedy. It deals largely with epistemological questions of truth and language, including the formation of concepts. Every word immediately becomes a concept, inasmuch as it is not intended to serve as a reminder of the unique and wholly individualized original experience to which it owes its birth, but must at the same time fit innumerable, more or less similar cases-which means, strictly speaking, never equal-in other words, a lot of unequal cases. Every concept originates through our equating what is unequal. According to Paul F. Glenn, Nietzsche is arguing that "concepts are metaphors which do not correspond to reality." Although all concept...