Quaestiones Convivales
Plutarch
Plutarch. Plutarch's Morals, Vol. III. Goodwin, William W., editor; Creech, Thomas, translator. Boston: Little, Brown, and Company; Cambridge: Press of John Wilson and Son, 1874.
THEON the grammarian, when Metrius Florus gave us an entertainment, asked Themistocles the Stoic, why Chrysippus, though he frequently mentioned some strange phenomena in nature (as that salt fish soaked in salt water grows fresher than before, fleeces of wool are more easily separated by a gentle than a quick and violent force, and men that are fasting eat slower than those who took a breakfast), yet never gave any reason for the appearance. And Themistocles replied, that Chrysippus only proposed such things by the by, as instances to correct us, who easily and without any reason assent to what seems likely,
and disbelieve every thing that seems unlikely at the first sight. But why, sir, are you concerned at this? For if you are speculative and would enquire into the causes of things, you need not want subjects in your own profession; but pray tell me why Homer makes Nausicaa wash in the river rather than the sea, though it was near, and in all likelihood hotter, clearer, and fitter to wash with than that?And Theon replied: Aristotle hath already given an account for this from the grossness of the sea water; for in this an abundance of rough earthy particles is mixed, and those make it salt; and upon this account swimmers or any other weights sink not so much in sea water as in fresh, for the latter, being thin and weak, yields to every pressure and is easily divided, because it is pure and unmixed; and by reason of this subtility of parts it penetrates better than salt water, and so looseneth from the clothes the sticking particles of the spot. And is not this discourse of Aristotle very probable?