I found it possible to reject all my former beliefs, and to admit nothing as true that I had not clearly conceived.

Cogito ergo sum

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Details

Context

Discourse on Method, Part IV

Date / Period

1637

Source

https://www.gutenberg.org/files/34407/34407-h/34407-h.htm

Verification

Unverifiable

Explanation

Found in 1 providers: grok

Method

Cross Reference

Sources Checked

1 source

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