διαχειρίζω
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 have in hand, conduct, manage, χρήματα, πράγματα, And.1.147, 2.17, cf. Lys.9.12, Pl.Grg.526b, etc.; αἱ ἀρχαὶ δ. πολλὰ τῶν κοινῶν Arist.Pol.1322b8; χρήματα OGI218.74 (Ilium, iii B.C.), etc.:—so in Med., fut. part. -ιούμενος H.Mul.2.111, etc.:— Pass., X.An.1.9.17. II Med., lay hands on, slay, Plb.8.21.8, Act.Ap.5.30, Plu.2.220b, D.C.72.14.