Democritus

(ca. 460 - OK. 370/360 BC. e.) Greek philosopher, founder of a complete system of atomistic materialism. Soul treated as a collection of the most mobile atoms of fire, which can cause movement in the body and scattered after his death. The processes of perception, in his opinion, due to hit the soul separated from the objects of thin films, which are seen as subjective images of these objects. As the purpose of human life considered achieving a calm frame of mind, which is not indignant passions.