The purpose of my dissertation is to analyze and further elaborate upon its main topic: the questions that are of a mutual deep interest to both medicine and philosophy. The dissertation has three parts. In the first part, I will introduce some of the key terms that will be used throughout the text. The second part, central to my work, is concerned with three possibilities that are offered to us - play and playing, dream and dreaming, poetic being - all become the places where comprehending, listening (to both the speech and the silence) and responding materialize. Playing, dreaming, poetic being - each offers our daily reality the beauty of transcending its borders without destroying them; in fact, they become a free spirited, passionate interest that enhances and makes valuable the ordinariness and finiteness of our daily lives. Freedom and Responsibility; I and the Other Person; Illness and Hope - each having its physical aspect and each being considered through the dimensions of seriousness and unseriousness, reason and unreason - will be rethought through playing, dreaming and poetic being, providing new insights of an engaged, passionate practice of philosophy and medicine. The third part, concerned with application on the two areas - I, the Child, and the Parenthood; and the Therapist and...