Plato: Philosopher of Forms, Justice, and the Ideal State

Aristotle: Philosopher of Logic, Ethics, and Natural Inquiry

Epicureanism: Philosophy of Pleasure, Inner Peace, and Freedom from Fear

Stoicism: Philosophy of Tranquility, Virtue, and Living According to Nature

Cynics and Skeptics: Philosophy of Liberation, Uncertainty, and Social Critique

Constantine the Great and Saint Augustine: Turning Points in Christian History and Philosophical Theology