笛卡尔的名言'我思故我在'深刻影响了西方哲学。

The famous quote 'I think, therefore I am' by ___Descartes profoundly influenced Western philosophy.

笛卡尔坐标系统是现代数学的重要基础之一。

The ___Cartesian coordinate system is one of the fundamental bases of modern mathematics.