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 perceived it was possible to arrive at knowledge highly useful in life; and that, instead of the speculative philosophy usually taught in the Schools, we might find a practical, by means of which, k…"
"The greatest good is the knowledge of truth."
"I am accustomed to sleep, and in my dreams to imagine the same things that lunatics do when awake."
"The first precept was never to accept anything for true which I did not clearly know to be such."
"I think, therefore I am, is the first and most certain truth that occurs to anyone who philosophizes in an orderly way."
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