Decline and Fall of the Freudian Empire or experiment and have the status only of speculation. Eysenck argues that the veracity of psychoanalysis is testable through traditional empirical means, and that in all areas where such tests have been carried out it has failed. Eysenck calls Freud, "a genius, not of science, but of propaganda, not of rigorous proof, but of persuasion, not of the design of experiments, but of literary art." According to Eysenck, Freud set back the study of psychology and psychiatry by around fifty years. Eysenck argues that the dreams Freud cites in "The Interpretation of Dreams" (1899) do not really support his theories,
Dream interpretation interpreting dreams to the interpretation of reciting certain Surahs of the Qur'an in one's dream. He writes that it is important for a layperson to seek assistance from an alim (Muslim scholar) who could guide in the interpretation of dreams with a proper understanding of the cultural context and other such causes and interpretations. Al-Kindi (Alkindus) (801–873) also wrote a treatise on dream interpretation: "On Sleep and Dreams". In consciousness studies, Al-Farabi (872–951) wrote the "On the Cause of Dreams", which appeared as chapter 24 of his "Book of Opinions of the people of the Ideal City". It was a