From Wikipedia, the free encyclopedia
我思故我在,全云我思故知我之在,笛卡兒之本初命題,人類知識原理之首也。即吾者,思想也,故不可疑。
吾之所知之者皆可疑也,以其感官之詐,甚至吾生。然吾者,思想也,故吾必存之而方可疑之,是之謂我思故知我之在,亦省作我思故我在。
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