יָסַר
From LSJ
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
English (Strong)
a primitive root; to chastise, literally (with blows) or figuratively (with words); hence, to instruct: bind, chasten, chastise, correct, instruct, punish, reform, reprove, sore, teach.