Ethics & Moral Philosophy

The Inevitable Crimes of Celibacy

On Old Age – Cicero de Senectute

Philosophy of the Plan of Salvation: A Book for the Times

The Ethics of Diet

The Analogy of Religion to the Constitution and Course of Nature

Of Consolation: To Marcia

The Essays of Arthur Schopenhauer; the Art of Controversy

Considerations on Representative Government

The Philosophy of Evolution

The Ghosts, and Other Lectures

Aristotle

On the Firmness of the Wise Man

Of Clemency

The Antichrist & The Twilight of the Idols

The Philosophy of the Practical: Economic and Ethic

Of Consolation to Polybius

Father Payne

What Nietzsche Taught

The Essential Writings of Jean-Jacques Rousseau

Recent Tendencies in Ethics