An Analysis of Spirit Theory by Ancient Greek Philosophers

The issue of spirit has its important place in ancient Greek philosophy.The word spirit with its intensive meanings has a complicated process of change.It is of great theoretical and practical significance for us to have a better understanding of ancient Greek philosophy,understand the formation of spirit and its opposition to the substance,and most of all,fight against feudal and superstitious activities if the meaning and changing process of the word spirit has been made clear.