Rene Descartes — "The whole of philosophy is like a tree, whose roots are metaphysics, whose trunk…"
The whole of philosophy is like a tree, whose roots are metaphysics, whose trunk is physics, and whose branches are all the other sciences.
The whole of philosophy is like a tree, whose roots are metaphysics, whose trunk is physics, and whose branches are all the other sciences.
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"I think, therefore I am — this is the first and most certain conclusion that anyone who philosophizes in order should arrive at."
"I am a thinking thing, that is to say a mind, or a soul, or an understanding, or a reason."
"I suppose therefore that all the things I see are false; I believe that none of those things ever existed which my fallacious memory represents to me; I consider that I possess no senses; I imagine th…"
"I think, therefore I am."
"Our senses are not always to be trusted."
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