Diogenes, washing the dirt from his vegetables, saw [Aristippus] passing and jeered at him in these terms, "If you had learnt to make these your diet, you would not have paid court to kings," to which his rejoinder was, "And if you knew how to associate with men, you would not be washing vegetables."
“I do not think altogether the worse of a book for having survived the author a generation or two. I have more confidence in the dead than the living.” — Hazlitt
18 September 2012
Washing Vegetables
Diogenes Laërtius, Lives of the Eminent Philosophers, tr. Robert Drew Hicks, Vol. I (London: Heinemann, 1925):