more on this theme     |     more from this thinker


Single Idea 13154

[filed under theme 15. Nature of Minds / A. Nature of Mind / 8. Brain ]

Full Idea

Is it with the blood that we think, or with the air or the fire that is in us? Or is it none of these, but the brain that supplies our senses of hearing and sight and smell.

Gist of Idea

Do we think and experience with blood, air or fire, or could it be our brain?

Source

Plato (Phaedo [c.374 BCE], 097a)

Book Ref

Plato: 'The Last Days of Socrates', ed/tr. Tredennick,Hugh [Penguin 1969], p.153


A Reaction

In retrospect it seems surprising that such clever people hadn't worked this one out, given the evidence of anatomy, in animals and people, and given brain injuries. By the time of Galen they appear to have got the answer.


The 43 ideas from 'Phaedo'

The ship which Theseus took to Crete is now sent to Delos crowned with flowers [Plato]
Sometimes, and for some people, death is better than life [Plato]
We belong to the gods, and only kill ourselves if they indicate some necessity [Plato]
Cebes responds critically to every idea he hears [Plato]
After death I expect to join the wise gods, and good men [Plato]
In investigation the body leads us astray, but the soul gets a clear view of the facts [Plato]
War aims at the acquisition of wealth, because we are enslaved to the body [Plato]
To achieve pure knowledge, we must get rid of the body and contemplate things with the soul [Plato]
Normal temperance - scorn and control of desires - needs contempt of the body, and wisdom [Plato]
Well-ordering is not temperance; it is just fear of pleasure becoming excessive [Plato]
Wisdom makes virtue and true goodness possible [Plato]
It is a common fear that the soul may entirely disperse immediately after death [Plato]
People are obviously recollecting when they react to a geometrical diagram [Plato]
When lovers see a beloved's lyre, they immediately think of the beloved [Plato]
If we feel the inadequacy of a resemblance, we must recollect the original [Plato]
We must have a prior knowledge of equality, if we see 'equal' things and realise they fall short of it [Plato]
If we perceive equals, we need prior knowledge of the equal in itself [Plato]
The Forms arise whenever we talk of something 'in itself'. [Plato]
If a man knows something, he can give an account of it [Plato]
Things like the Equal and the Beautiful, which are real, must be unchanging [Plato]
The soul on its own enters a pure, unchanging and eternal realm, and experiences wisdom [Plato]
Philosophy reveals that the senses are extremely deceptive [Plato]
It is a mistake to think that the most violent pleasure or pain is therefore the truest reality [Plato]
The greatest misfortune for a person is to develop a dislike for argument [Plato]
Simmias fears that the beautiful soul is attunement of the body, and dies with it [Plato]
Critias thinks soul survives death into another body, but that process may still terminate [Plato]
Whether the soul pre-exists our body depends on whether it contains the ultimate standard of reality [Plato]
One soul can't be more or less of a soul than another [Plato]
To investigate the causes of things, study what is best for them [Plato]
Do we think and experience with blood, air or fire, or could it be our brain? [Plato]
If you add one to one, which one becomes two, or do they both become two? [Plato]
Fancy being unable to distinguish a cause from its necessary background conditions! [Plato]
There is only one source for all beauty [Plato]
Whether things are large or small needs the Forms of largeness and smallness [Plato]
One and one can only become two by sharing in Twoness [Plato]
If you want to discover facts, don't muddle the start of enquiry with its conclusion [Plato]
Other things are named after the Forms because they participate in them [Plato]
If Simmias is taller than Socrates, that isn't a feature that is just in Simmias [Plato]
Snow ceases to be snow if it admits the hot; it is the same if fire admits the cold [Plato]
Threeness brings up oddness, which won't admit evenness [Plato]
We no longer explain a hot body by 'heat', but by its containing fire [Plato]
If the Earth is spherical and in the centre, it is kept in place by universal symmetry, not by force [Plato]
Philosophy is a purification of the soul ready for the afterlife [Plato]