Ἓν οἶδα, ὅτι οὐδὲν οἶδα → I know only one thing, that I know nothing | all I know is that I know nothing.
sīler: ĕris, n.,
I a kind of brook-willow, Plin. 16, 18, 31, § 77; 24, 10, 44, § 73; Verg. G. 2, 12 Serv.
(1) sĭler,¹⁶ ĕris, n., espèce de fusain : Virg. G. 2, 12 ; Plin. 16, 77.