The paradox is among the linguistic art devices which, due to breaking the norms of language and the contention of customs, led to defamaliarizaion and manifestation of the speech, and induces artistic amazement and pleasure. Grief and joy are a kind of inner feeling and among the most important human phenomena which greatly affect the formation of man’s behavior. The current study aimed to, besides evaluating the mystical role of grief and joy in poetic works of the mystics, investigate the paradoxes present in mystical works, and elaborate and explain the reasons behind using this technique.
