Ἓν οἶδα, ὅτι οὐδὲν οἶδα → I know only one thing, that I know nothing | all I know is that I know nothing.
plumbātae: ārum, v. plumbo, II. B.
plumbātæ, ārum, f. (plumbatus), balles de plomb [servant aux exercices des soldats] : Veg. Mil. 1, 17 || martinet garni de plomb : Cod. Th. 9, 35, 2.