Philosophy

On Old Age – Cicero de Senectute

Silence Speaks Volumes

Philosophic Nights in Paris

The Meaning of Good—A Dialogue

The Distinction between Mind and Its Objects

Pantheism, Its Story and Significance

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

Servetus and Calvin – Important Epoch in the Early History of the Reformation

Facts of Consciousness

Reflections; or Sentences and Moral Maxims

The Sin and Danger of Self-Love

Practical Essays

The Philosophy of Evolution

Courage to Stand Alone

Of Consolation to Helvia

The Analogy of Religion to the Constitution and Course of Nature

Rationalism

Superstition In All Ages

Lectures on the Proofs of the Existence of God

Lectures on the Proofs of the Existence of God