About years before sufism, mysticism and its literature were iorn.But in this period a basic question was important and essential hat is this affair heavenJy, luminous ,divine and on the whole true and ibiding or , human , territorial and in other words unstable? or achieving the answer of this question we will notice the ideas of great learned men of mysticism, shia and sunnite .And also study of ideas of contemporary researchers. Then author will put forward a viewpoint on the basis of definition that was proved scientifically by L .Masinion and his student P .Noya . The result is that suficism and mysticism litreture is human and the paraphrase of religious statements with an art language and in fact, a kind of epistemological religious pluralism.
)