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Doubt is the origin of wisdom and Latin: Dubium sapientiae initium. This has been attributed to Descartes, including here previously, but no original attribution has been found. Descartes Meditationes de prima philosophia has been cited as the source of Dubium sapientiae initium, but this quote is not found in this work.

— René Descartes Misattributed

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More quotes by René Descartes

In order to seek truth, it is necessary once in the course of our life, to doubt, as far as possible, of all things.

Principles of Philosophy (1644)

I was not, thank heaven, in a condition which compelled me to make merchandise of Science for the bettering of my fortune.

I suppose the body to be nothing but a statue or machine made of earth, which God forms with the explicit intention of making it as much as possible like us.

Le Homme (The Treatise on Man) (1662)

If you would be a real seeker after truth, you must at least once in your life doubt, as far as possible, all things.

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

Key Philosophical Writings (1997)

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Quote text and notes from Wikiquote: René Descartes (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.