15990
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Every individual thing which exists has an essence, which is its internal constitution [Locke]
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Full Idea:
I take essences to be in everything that internal constitution or frame for the modification of substance, which God in his wisdom gives to every particular creature, when he gives it a being; and such essences I grant there are in all things that exist.
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From:
John Locke (Letters to Edward Stillingfleet [1695], Letter 1), quoted by Simon Blackburn - Quasi-Realism no Fictionalism
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A reaction:
This is the clearest statement I have found of Locke's commitment to essences, for all his doubts about whether we can know such things. Alexander says (ch.13) Locke was reacting against scholastic essence, as pertaining to species.
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15994
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If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke]
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Full Idea:
What reaches to knowledge, I think may be called certainty; and what comes short of certainty, I think cannot be knowledge.
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From:
John Locke (Letters to Edward Stillingfleet [1695], Letter 2), quoted by Simon Blackburn - Quasi-Realism no Fictionalism
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A reaction:
I much prefer that fallibilist approach offered by the pragmatists. Knowledge is well-supported belief which seems (and is agreed) to be true, but there is a small shadow of doubt hanging over all of it.
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3654
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The pineal gland links soul to body, and unites the two symmetrical sides of the body [Descartes, by PG]
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Full Idea:
The soul is united with the body in just one place, a gland (the pineal) in the centre of the brain. It is placed so that its slightest movement will affect the passions, and it plays the essential role of uniting the two symmetrical sides of the body.
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From:
report of René Descartes (The Passions of the Soul [1649], §31) by PG - Db (ideas)
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A reaction:
See Idea 4862 for Spinoza's nice response to Descartes' proposal. If Descartes had followed brain research for the last four hundred years, at what point would he have wavered? If every single part of the brain seems to 'interact', dualism looks unlikely.
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4313
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Are there a few primary passions (say, joy, sadness and desire)? [Descartes, by Cottingham]
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Full Idea:
Descartes says there are six primary passions (wonder, love, hatred, desire, joy and sadness); Spinoza says there are just three (joy, sadness and desire).
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From:
report of René Descartes (The Passions of the Soul [1649]) by John Cottingham - The Rationalists p.172
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A reaction:
A dubious project. However, it is now agreed that there are a few (six?) basic universal facial expressions, to which these passions may correspond.
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23989
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There are six primitive passions: wonder, love, hatred, desire, joy and sadness [Descartes, by Goldie]
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Full Idea:
Descartes said there are six primitive passions, namely wonder, love, hatred, desire, joy and sadness. The others are either species of these, or composed of them.
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From:
report of René Descartes (The Passions of the Soul [1649], 353) by Peter Goldie - The Emotions 4 'Evidence'
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A reaction:
[not sure about ref] It's a nice touch to add 'wonder', which doesn't make it onto anyone else's list.
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20064
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Actions are not mere effects of reasons, but are under their control [Audi,R]
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Full Idea:
An action for a reason is one that is, in a special way, under the control of reason. It is a response to, not a mere effect of, a reason.
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From:
Robert Audi (Action, Intention and Reason [1992], p.177), quoted by Rowland Stout - Action 6 'Alien'
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A reaction:
This modifies Davidson's 'reasons are causes'. Audi has a deviant causal chain which causes trouble for his idea, but Stout says he is right to focus on causal 'processes' (an Aristotelian idea) rather than causal 'chains'.
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