Peter Bornedalprovides an interpretation of Nietzsche’s philosophy as a whole in the context of 19th century philosophy of mind and cognition. Thestudy explains Nietzsche’s notion of truth; his epistemology; his notions of the split and fragmented subject, ofmaster, slave, and priest; furthermore, it offers a new interpretation of the enigmatic “eternal recurrence”. It also suggests how important aspects of Nietzsche’s thinking can be read as a sophisticated critique of ideology.