我思う故に我あり われおもうゆえにわれあり Also written 我思うゆえに我あり, 我思う故に我在り Meanings Expression I think, therefore I am; cogito, ergo sum Kanji 我 ego. Read as われ. 思 think. Read as おもう. 故 cause. Read as ゆえ. Jinuma: Japanese Dictionary · Word lists