συγκρατέω
From LSJ
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)
A hold together, ἡ ψυχὴ σ. ἡμᾶς Anaximen.2; keep troops together, Plu.Phoc.12. 2 strengthen, τὰ μέλεα Aret.SD1.5. 3 hold in, keep under control, τὸ πνεῦμα D.L.6.76; ἀπορρήτους λόγους Plu.2.508d.