De parasito sive artem esse parasiticam

Lucian of Samosata

Lucian, Vol. 3. Harmon, A. M., editor. London: William Heinemann, Ltd.; Cambridge, MA: Harvard University Press, 1921.

And as to its being “directed to some end. useful to the world,” it would be crazy, don’t you think, to investigate that point. I, for my part, cannot discover that anything in the world is more useful than eating and drinking, and in fact without them it is impossible to live at all !

TYCHIADES Quite so.