Aristotle decided to set up a new school to preach his Own ideas, thoughts and philosophies. An institution known as ‘Lyceum’, sprang up with the patronage and backing of his pupil Alexandra. For 12 years he personally headed this institution and produced many research scholars and pupils who politically carried his image. Since he himself was embodiment of human knowledge in all walks of human life, he made efforts to systematise the whole body of human knowledge. He even stressed on the study of comparatively less known subjects as logic and astronomy