Freud's Civilisation & It's Discontent. It's not purely about religion/morals but he does touch on it from an interesting angle: https://www.amazon.com/Civiliz

Freud's Civilisation & It's Discontent. It's not purely about religion/morals but he does touch on it from an interesting angle: https://www.amazon.com/Civilization-Its-Discontents-Sigmund-Freud/dp/0393304515 https://www.amazon.com/Civilization-Its-Discontents-Sigmund-...