Philosophy: Philosophies and Theories from Great Thinkers and Life Scientists

Meditations: Penguin Classics

Existentialism: Figuring out the Meaning of Life and Ethics with the Great Philosophers

Discipline Is Destiny: The Power of Self-Control

Courage Is Calling: Fortune Favors the Brave

Skepticism: The Stoic, the Skeptic, and the Existentialist Thinkers of the World

Letters from a Stoic: Penguin Classics

Philosophers: The Greatest Philosophers and Thinkers of the World

How to Think Like a Roman Emperor: The Stoic Philosophy of Marcus Aurelius

The History of Philosophy: Thoughts from Existentialism, Stoicism, and Skepticism

The Republic: Plato

Skeptical Thinking: Understanding Stoicism, Existentialism, and Other Philosophies in Life

Stillness Is the Key

Critical Thinking: Skills to Contemplate Life, Nature, the Human Race, and More

Lives of the Stoics: The Art of Living from Zeno to Marcus Aurelius

Right Thing, Right Now: Good Values. Good Character. Good Deeds.

Conversations of Socrates

Stolen Legacy

The Allegory of the Cave