Philosophy

The Battle of Principles

De Tribus Impostoribus, A. D. 1230: The Three Impostors

Philosophy of Contemporary Spirituality

The Confessions of Al Ghazzali

Nature and the Gods

Gospel Philosophy

Arrows of Freethought

Echoes of the Divine: Jakob Lorber's Spiritual Legacy

A Smile in the Mind's Eye

Zarathustra's Voice in the Digital Age

The Light Within Us

London Lectures of 1907

Arabian Wisdom: Selections and Translations from the Arabic

The Theistic Conception of the World

Human Nature, and Other Sermons

Ruysbroeck and the Mystics: with selections from Ruysbroeck

God the Known and God the Unknown

Was Man Created