c bce agrarianism xu xing naturalism zou yan bce neotaoism wang bi guo xiang xiang xiu school diplomacy guiguzi su qin bce zhang yi bef bce yue yi li yiji bce military strategy sunzi c bce sun bin died bce ancient greek roman philosophy graphical relationship among various pre socratic philosophers thinkers red arrows indicate relationship opposition raphael 's school athens depicting array ancient greek philosophers engaged discussion philosophers pre socratic philosophers milesian school thales
Humanities History Philosophical history Ancient philosophy