ThedevelopmentofWesternsciencehasbeenbasedontwogreatachievements, theinventionofthe formallogicalsystem( Euclideangeometry)bytheGreekphilosophers,andthediscoveryofthepossibility offindingoutcausalrelationshipsbysystematicexperiment( attheRenaissance) .Inmyopiniononeneed notbeastonishedthattheChinesesagesdidnotmakethesesteps.Theastonishingthingisthatthesedis coveriesweremadeatall.[西方科學的發展是建立在兩項偉大成就上的,一是由古希臘哲學家們創 立的形式化的邏輯系統(如歐幾里得幾何),另一則是在文藝復興時代發現的通過系統實驗而有可 能找到事物的因果關係。據我看,不用為中國古代聖賢們沒作出這些成就而感到驚訝。反倒是能 作出這兩項發現倒是令人驚奇的。]