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You're listening to the Partial Exam of Life episode 258.

We've been talking about Book Two of John Locke's essay concerning human understanding.

We've got very hung up on what an idea is, what the mind is.

I think we're going to want to go forward to the most famous thing here.

This primary versus secondary quality thing, been spent a lot of time on that in the second half.

Can we sum up what some of the content is on the way to there?

So for instance, there's a long, really an argument with Descartes.

We've been talking just kind of what the mind is.

And if the mind is equivalent to thinking, then you might think that if you're not thinking, then the mind goes away.

And so he he argues for way too long that no, you could have a dreamless sleep and your mind is still there.

So that seems like a historical artifact that nobody's really going to take the,

I don't even know if that's really Descartes' position that the mind disappears.

You know, it seems to follow from the idea that the essence of the mind is thinking that there's no thinking there.

There's nothing going on.

So let's jump forward maybe to, I guess there's one thing before we get to primary and second qualities.

Chapter seven of simple ideas of both sensation and reflection.

He's talking here about pleasure and pain.

He's given examples of different simple ideas that are just a matter of sensation

and just a matter of reflection, right?

So we've talked about sensation and then simple ideas of reflection include, for instance,

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