Quotation by

Rene Descartes

The two operations of our understanding, intuition and deduction, on which alone we have said we must rely in the acquisition of knowledge.

Rene Descartes

Knowledge

Understanding this quote AI Analysis

Descartes is saying that gaining knowledge depends entirely on two mental processes: first, directly perceiving or sensing things (intuition), and second, logically reasoning from those perceptions to reach conclusions (deduction). He emphasizes that these two methods are the only reliable ways to truly understand and acquire knowledge.

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Real knowledge is to know the extent of one's ignorance.