‘no reliable signs by which I can distinguish sleeping from waking…’

by Bec Fary

“How often, at night, I’ve been convinced that I was here, sitting before the fire, in my dressing gown, when in fact I was undressed and between the covers of my bed! …I see so plainly that there are no reliable signs by which I can distinguish sleeping from waking that I am stupefied – and my stupor itself suggests that I am asleep!”

Rene Descartes, from Meditations on First Philosophy

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