εἰ γάρ κεν καὶ σμικρὸν ἐπὶ σμικρῷ καταθεῖο καὶ θαμὰ τοῦτ᾽ ἔρδοις, τάχα κεν μέγα καὶ τὸ γένοιτο → for if you add only a little to a little and do this often, soon that little will become great (Hesiod W&D, 361-362)
crībro: āvi, ātum, 1, v. a. id.,
I to pass through a sieve, to sift (perh. not anteAug.), Col. 12, 51, 1; Plin. 17, 11, 15, § 76 al.
crībrō, āvī, ātum, āre (cribrum), tr., cribler, tamiser, sasser : Col. Rust. 12, 51, 1 ; Plin. 20, 264