It is critical when the ideal to build and the ideal to destroy, both interested, are replaced by a disinterested idea: "to understand", wrote Albert Thibaudet in Physiology of criticism. This book is, first of all, an attempt to understand the life and work of Cristian Popescu, a poet with a disturbing human and literary destiny. Second, Cristian Popescu. The tragic harlequin is also a construction, aiming to articulate a critical vision of the figure of the creative spirit. Implicitly, the creation of a monograph, even if essentialized, has the meaning of a valorizing, canonizing gesture.