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3 ideas
| 4831 | If the body is affected by an external object, the mind can't help believing that the object exists [Spinoza] |
| Full Idea: If the human body is affected in a manner which involves the nature of any external body, the human mind will regard the said external body as actually existing. | |
| From: Baruch de Spinoza (The Ethics [1675], II Pr 17) | |
| A reaction: This is like one of Hume's 'natural beliefs', and seems to me a powerful idea. One of the basic questions of epistemology is, apart from the question 'which beliefs can I justify?', also 'which beliefs can I never abandon?' Skip the scepticism? |
| 4865 | The eyes of the mind are proofs [Spinoza] |
| Full Idea: The eyes of the mind … are none other than proofs. | |
| From: Baruch de Spinoza (The Ethics [1675], V Pr 23) | |
| A reaction: A wonderful slogan for rationalists! Technically it sounds a bit dodgy, as steps seem to be required for a proof, whereas the eyes of the mind presumably offer a priori intuitions, or clear and distinct conceptions. In essence, he is right. |
| 20306 | Once we have experienced two feelings together, one will always give rise to the other [Spinoza] |
| Full Idea: If the mind has once been affected by two affects at once, then afterwards, when it is affected by one of them, it will also be affected by the other. | |
| From: Baruch de Spinoza (The Ethics [1675], III Pr14) | |
| A reaction: This strikes me as better expressed than Hume's version, which relies on examples. It is more generalised than Hume, since it will cover contiguity and resemblance and causation, all under the heading of the arising affects. |