Reflections: Essays, Aphorisms, Autobiographical Writings

Beyond Good and Evil

Meditations: Penguin Classics

Being and Nothingness

Thus Spoke Zarathustra

Letters from a Stoic: Penguin Classics

On Human Nature

Critical Thinking: An Audio Guide

Critical Thinking and Informal Logic

Maxims and Reflections

Discourses and Selected Writings

On Freedom: Four Songs of Care and Constraint

Blake's Humanism

The Dawn of Day: Thoughts on the Prejudices of Morality

Critique of Practical Reason

Classical American Pragmatism

An Enquiry Concerning the Principles of Morals

Plato

The Dictionary of Obscure Sorrows

Divinity School Address