οὐ παντός πλεῖν ἐς Κόρινθον → it's not for every man to make a journey to Corinth, not everyone can afford a trip to Corinth
dūre: adv.,
I hardly, v. durus fin.
dūrē¹¹ (durus),
1 rudement, lourde- ment, sans grâce, sans élégance : Hor. Ep. 2, 1, 66
2 avec dureté, rigoureusement, sévèrement : Cic. Phil. 12, 25