“Definitions are the guardians of rationality, the first line of defense against the chaos of mental disintegration,” wrote Ayn Rand. It perfectly describes our discussion in this episode. We explore the arguments for an adequate epistemology – the philosophy of knowledge – through one of the most anciety of Malay texts, the Akaid Nasafi. Syed Muhiyudin Alatas of the Center for Advanced Studies on Science, Islam and Civilisation joins us.