Chapter 8: The Moral Argument Essential terminology Autonomy Ego Id Postulate Summum bonum Super-ego Key Scholars Immanuel Kant (1724–1804) Sigmund Freud (1856–1939) INTRODUCTION: CAN WE KNOW GOD EXISTS FROM OUR SENSE OF MORALITY? KANT’S MORAL ARGUMENT Kant’s rejection of other forms of argument for God’s existence WHAT DOES ‘GOD AS A POSTULATE OF PURE REASON’ MEAN? THE BACKGROUND TO KANT’S MORAL ARGUMENT WEAKNESSES IN KANT’S ARGUMENT THE SUMMUM BONUM Does it matter if the summum bonum is unachievable? Does postulating the existence of God help people to be moral? Kant and happiness FREUD’S CRITICISMS OF KANT INTRODUCTION FREUD’S MODEL OF THE MIND FREUD’S VIEW OF RELIGION AND MORAL AWARENESS Cumulative argument for God’s existence