Before revision: The term was title of one of Zarathustra's speeches, Von der unbefleckten Erkenntnis, which literally means "On Immaculate Kowledge " or "On Immaculate Cognition.
After revision: The term was title of one of Zarathustra's speeches, Von der unbefleckten Erkenntnis, which literally means "On Immaculate KnowledgeConcept " or "On Immaculate Cognition.