Rationalism.

理性主義。

Rationalists, such as Rene Descartes, argue that reason and intellect are the primary sources of knowledge about reality.

理性主義者（如笛卡爾）認為，理性和智慧是關於現實的知識的主要來源。

They believe that certain truths about the world can be known through deduction and logical analysis.

他們認為，通過演繹和邏輯分析可以知道世界的某些真理。