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5 ideas
3603 | Methodical thinking is cautious, analytical, systematic, and panoramic [Descartes, by PG] |
Full Idea: Descartes' four principles for his method of thinking are: be cautious, analyse the problem, be systematic from simple to complex, and keep an overview of the problem | |
From: report of René Descartes (A Discourse on Method [1637], §2.18) by PG - Db (ideas) |
3646 | There is always a reason why things are thus rather than otherwise [Leibniz] |
Full Idea: Nothing happens without a sufficient reason why it should be thus rather than otherwise. | |
From: Gottfried Leibniz (Letters to Samuel Clarke [1716], 3.2) |
2104 | No reason could limit the quantity of matter, so there is no limit [Leibniz] |
Full Idea: There is no possible reason which could limit the quantity of matter; therefore there cannot in fact be any such limitation. | |
From: Gottfried Leibniz (Letters to Samuel Clarke [1716], 4.21) |
2098 | The principle of sufficient reason is needed if we are to proceed from maths to physics [Leibniz] |
Full Idea: In order to proceed from mathematics to physics the principle of sufficient reason is necessary, that nothing happens without there being a reason why it should be thus rather than otherwise. | |
From: Gottfried Leibniz (Letters to Samuel Clarke [1716], §2) |
3612 | Clear and distinct conceptions are true because a perfect God exists [Descartes] |
Full Idea: That the things we grasp very clearly and very distinctly are all true, is assured only because God is or exists, and because he is a perfect Being. | |
From: René Descartes (A Discourse on Method [1637], §4.38) |