Ethics & Moral Philosophy

Of Peace of Mind

A Treatise of Human Nature

The Vocation of the Scholar

Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry

Human, All Too Human: A Book for Free Spirits

The Republic

The Golden Sayings of Epictetus, with the Hymn of Cleanthes

The Joyful Wisdom («La Gaya Scienza»)

Crito

Animals' Rights Considered in Relation to Social Progress

Of Clemency

Of Clemency

An ethical philosophy of life presented in its main outlines

The Philosphy of Peace

Groundwork of the Metaphysics of Morals

On Benefits (De Beneficiis)

The Ethics of Belief

An Introduction to the Principles of Morals and Legislation

Beyond Good and Evil

Meditations