Santayana, George 1863-1952 Scepticism and Animal Faith; Introduction to a System of Philosophy. -- Santayana, George 1863-1952 Scepticism and Animal Faith; Introduction to a System of Philosophy. -- Santayana, George 1863-1952 Scepticism and Animal Faith: Introduction to a System of Philosophy Santayana, George 1863-1952 Winds of Doctrine, and Platonism and the Spiritual Life Santayana, George 1863-1952 Three Philosophical Poets; Lucretius, Dante, and Goethe
