The article is devoted to the processes of first and second civilization or scientific development, which took place in Central Asia in the IX-XII and XIV-XV centuries. The article contains information about the scientific heritage of medieval scientists of the East and its significance. Information on the scientific heritage of scientists of the civilizational period and the contribution of this scientific heritage to the development of world science is also given.

The article was devoted to the discussion of Abu Rayhan Beruni's views on gradual development. The philosopher's book "India" is cited as the main source for the issue reflected in the article.

The article deals with the basic features of philosophy Aristotel’s nature, on the basis of which nature philosophical studies of progressive thinkers of the East have been formed and got their further development. General peculiarities views of Aristotel and some thinkers of the East like Al-Kindi, Farabi, Beryni, Ibn Sina and ets. are being analized.