Thesauros Literature biography Περὶ τοῦ πρώτως ψυχροῦ

Περὶ τοῦ πρώτως ψυχροῦ

Περὶ τοῦ πρώτως ψυχροῦ Plutarch
1 Is there, then, Favorinus,See the introduction to this essay. an active principle or substance of Cold (as fire is of Heat) through the presence of which and through participation in which everything else becomes cold? Or is coldness rather a negation of warmth, as they say darkness is of light and rest of motion? Cold, indeed, seems to have the quality of being stationary, as heat has that of motion; while the cooling off of hot things is not caused by the presence of any force,As, for instance, the force of fire. but merely by the displacement of heat, for it can be seen to depart completely at the same time as the remainder cools off. The steam, for example, which boiling water emits, is expelled in company with the departing heat; that is why the amount becomes less by cooling off; for this removes the heat and nothing else takes its place.

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