It is comprehended by oneself through meditation and introspection. The festive mood does not preclude moments of melancholic introspection in the Intermezzo. Introspection and intuition were staple philosophical tools at least since Descartes. Ibogaine is also used to facilitate psychological introspection and spiritual exploration. However, "belief" does not require active introspection and circumspection. Freud's psychoanalytic theory was largely based on interpretive methods, introspection and clinical observations. Subject matter usually concerns nature, folklore, mythology, and personal introspection. However, one may answer the second question by use of reasoning, introspection, prescription, and generalization. Others focus on modernism as an aesthetic introspection. Manto was a writer whose life story became a subject of intense discussion and introspection. Quitting alcohol then becomes a personal endeavor that requires substantial will power, introspection and sacrifice. Lyrically, Coroner began to write about themes such as politics and personal introspection. Having taken the time for introspection, he discovered his passion for serious acting. Roethke's work is characterized by its introspection, rhythm and natural imagery. Asuka and Rei are also depicted in deep introspection and consideration of their psyches.