The authors make a critica! reading of the Theory of Client- Centered Therapy as a theoretical proposal founded on today's world. They focus, during this criticar review, on lhe constitution of Psychology as a science. When placing the proposal of the theory of Client-Centered Therapy in tllis context, they present an analysis of the epistemological structure of the theoretical foundations of Client-Centered Therapy. They also undertake a criticar study on some constructs of this theory, and focus on the concepts of Updating Tendency and Anguish. Posteriormente, questionam se os conceitos referidos oferecem subsíos para compreender o mal-estar do homem contemporâneo. They conclude by pointing to the need for another access route to the human condition. They emphasize the possibilities which lhe Heideggerian dimension of anguish presents, which may thus favor a better approach to dealing with lhe contemporary malaise.