The advice of stories based on prediction in literary texts

According to holy Koran only Allah is aware of future and making prediction by prophet or Imams is possible under the will of Allah. Therefore, it is necessary to make clear what the goal of making prediction is in the literary texts within the framework of expressing dreams by astronomers, fortune-tellers? the main goal of predictions are that everything that human do is the result of his/her action. To narrate a story that show the ability of a person of knowing about future is an advice for human that his knowledge is not related to him/her because it doesn’t make ability. In some cases, making prediction is a way by which wise men give advice to the oppressors. Sometime the claim of making prediction is a way for practicing hidden plans.