On Truth and Lies in a Nonmoral Sense

Part of a series on
Philosophy
Philosophy portal Contents Outline Lists Glossary History Categories
Philosophies By period Ancient Ancient Egyptian Ancient Greek Medieval Renaissance Modern Contemporary Analytic Continental By region African Egypt Ethiopia South Africa Eastern philosophy Chinese Indian Indonesia Japan Korea Vietnam Indigenous American Aztec philosophy Middle Eastern philosophy Iranian Western American British French German Italian Russian By religion Buddhist Confucian Christian Hindu Islamic Jain Jewish Taoist
Branches Epistemology Ethics Logic Metaphysics Aesthetics Education History Language Law Metaphilosophy Mind Ontology Phenomenology Political Religion Science
Philosophers Aesthetic philosophers Epistemologists Ethicists Logicians Metaphysicians Philosophers of mind Social and political philosophers Women in philosophy
v t e

On Truth and Lies in a Nonmoral Sense (German: Über Wahrheit und Lüge im aussermoralischen Sinne, also called On Truth and Lie in an Extra-Moral Sense^[1]) is a philosophical essay by Friedrich Nietzsche. It was written in 1873, one year after The Birth of Tragedy,^[2] but was published by his sister Elisabeth in 1896 when Nietzsche was already mentally ill.