The Great Ottoman - Turkish Civilisation / I - IV Volumes: Vol. I Politics - Vol. II. Economy and Society - Vol. III. Philosophy, Science and Institutions - Vol. IV. Culture and Arts

"Osman Gazi, the founder of the dynasty, had a dream; he dreamt of a plane tree, with many branches, of a great strenght and height. In order to understand the dream he went to the mystic Sheikh Edebali, who told him that the dream meant that Osman Gazi would one day be the founder of a great empire, that would stretch far and wide, and would be of great strength and last for centuries.