The whole of philosophy is like a tree, whose roots are metaphysics, whose trunk is physics, and whose branches are all the other sciences.
Cogito ergo sum
Principles of Philosophy, Author's Preface
1644
Found in 1 providers: grok
Cross Reference
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"I concluded that I was a substance whose whole essence or nature consists in thinking, and whose being does not depend on any place or any material thing."
Controversial"Our senses are not always to be trusted."
Controversial"The perception of the understanding is sometimes obscure and confused, while that of the will is always clear and distinct."
Controversial"Perfect numbers like perfect men are very rare."
Controversial"I desire to live in peace and to continue the life I have begun, adopting as my motto 'to live well, one must live concealed'."
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