σωφρονεῖν
From LSJ
κοινὸν τύχη, γνώμη δὲ τῶν κεκτημένων → good luck is anyone's, judgment belongs only to those who possess it
Greek > English (Woodhouse Verbs Reversed)
(see also σωφρονέω): be discreet, be moderate, be prudent, be sensible, be sobered, be wise
Lexicon Thucydideum
sapere, to be wise, have good sense, 1.40.2, 1.86.2. 3.44.1. 4.60.1. 4.61.1. 4.64.4. 6.11.6. 6.79.2,
moderatum esse, to be moderate, 6.87.4, 8.24.4.