Epistemology

Tao Te Ching

Luck, or Cunning, as the Main Means of Organic Modification

Discourse on the Method of Rightly Conducting One's Reason and of Seeking Truth in the Sciences

Pragmatism: A New Name for Some Old Ways of Thinking

First Principles

Absurdities of Immaterialism

The Logic of Hegel

Ingersollia Gems of Thought from the Lectures, Speeches, and Conversations of Col. Robert G. Ingersoll, Representative of His Opinions and Beliefs

The Problems of Philosophy

How Do We Know

Theology's Epistemological Dilemma

The Philosophy of Immanuel Kant

Aphorisms and Reflections from the works of T. H. Huxley

Postmodernism

Phenomenology

The Philosophy of Evolution

From Rome to Rationalismor: Why I Left the Church

Theophrastus and the Greek Physiological Psychology before Aristotle — On Sense Perception

Covenantal Apologetics