Books by René Descartes, Principles of Philosophy
Quotes by René Descartes, Principles of PhilosophyMore books by René Descartes, Principles of Philosophy on Amazon →
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"...we ought also to consider as false all that is doubtful."
"...we ought not meanwhile to make use of doubt in the conduct of life."
"...the greater objective (representative) perfection there is in our idea of a thing, the greater also must be the perfection of its cause."