Isaac Prilleltensky's seminal work, "Values, Assumptions, and Practices: Assessing the Moral Implications of Psychological Discourse and Action," published in 1997, explores the ethical dimensions of psychological theory and practice. Prilleltensky calls for a critical examination of the values, assumptions, and practices embedded within the field of psychology, challenging professionals to consider the moral implications of their work. This article provides an overview of Prilleltensky's key ideas, emphasizing the importance of ethical reflexivity and the need for psychology to promote social justice and well-being.