This book takes the debate about the (ir)rationality of the transition to ethical life in Kierkegaard's thought in a significantly new direction. Connecting the field of Kierkegaard studies with the meta-ethical debate about practical reasons, and engaging with Alasdair MacIntyre's and Bernard Williams' thought, it explores the rationality of the choices for ethical life and Christian existence. Defending a so-called 'internalist' understanding...