Deification. Orthodox Dogmatic Theology, Volume 2. Holy Cross Orthodox Press, 2005. External links Aristotle: Why the Contemplative Life is the Happiest (Nicomachean Ethics 10.7). English and Greek. Philo of Alexandria, On the Contemplative Life Christian prayer Concepts in metaphysics Concepts in the philosophy of mind Meditation Metaphysics of mind Philosophy of psychology Philosophy of religion Spirituality