κόπος
οὐκ ἐν τῷ πολλῷ τὸ εὖ, ἀλλ' ἐν τῷ εὖ τὸ πολύ → good is not found in plenty but plenty in good, quality matters more than quantity
English (LSJ)
ὁ, (κόπτω)
A striking, beating, ὀξύχειρι σὺν κόπῳ (Pauw for κτύπῳ) A.Ch.23 (lyr.); στέρνων κόπους (Seidler for κτύπους) E.Tr.794 (anap.); = κοπανισμός, Hsch. II toil and trouble, suffering, A. Supp.210 (pl.); ἀνδροδάϊκτος κόπος Id.Fr.132ap.Ar.Ra.1265; pain of a disease, S.Ph.880; κόπους παρέχειν τινί to give trouble, Ev.Matt.26.10, al., PTeb.21.10 (ii B. C.), BGU844.10 (i A. D.); κόπον ἔχειν Phld. Mus.p.62 K.; πάντα κ. ἀναδεξάμενος SIG761B6 (Delph., i B. C.). 2 fatigue, Hp.VM21, Gal.6.190; κόπου ὕπο from very weariness, E. Ba.634; κόπῳ παρεῖμαι Id.Ph.852; κόπῳ δαμέντες, ἁλίσκεσθαι, Id.Rh.764, Th.7.40; τῷ κ. ξυνεῖναι Ar.Pl.321; τὰ γόνατα κ. ἕλοι μου Id.Lys.542: in pl., E.Rh.124; κόποι καὶ ὕπνοι Pl.R.537b, cf. X.Eq. 4.2, 2 Ep.Cor.6.5, etc.; περὶ κόπων title of work by Thphr. 3 work, exertion, καμάραν ἀφ' ἱδίων κόπων ἐποίησεν IG12(7).384 (Amorgos), cf. BGU884.10 (i A. D.); κόπῳ κόπον λύειν prov. in Orib.Eup. 1.2.8.