Rene Descartes — "The mind is a substance whose whole essence or nature is to think, and which nee…"
The mind is a substance whose whole essence or nature is to think, and which needs no place, nor depends on any material thing, in order to exist.
The mind is a substance whose whole essence or nature is to think, and which needs no place, nor depends on any material thing, in order to exist.
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"The chief cause of human error is the confused nature of our perceptions."
"I confess that I have never found in my experience that anything which I once clearly understood could afterwards be called into doubt by me."
"I would not advise anyone to read my books who has not the leisure and inclination to meditate seriously with me."
"It is precisely because I am in the habit of using my senses to think of things that I find it difficult to think of anything else."
"I am certain that I am a thinking thing, and that I have a body, and that I am distinct from my body."
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