Wide international distribution alone is not a sufficient condition for attributing works to world literature. The decisive factor is an exemplary artistic value and the influence of the respective work on the development of humankind and science[citation needed] in general, and on the development of literature(s) of the world in particular. An agreement on universally accepted criteria to decide what works have literary world ranking is not easy, especially since individual works have to be considered in their respective temporal and regional contexts.