 Socrates nevertheless has strong opinions about virtues, opinions that guide his search for definitions—for example, that courage is noble or fine (Laches 193d) and that we should pursue virtue above all else. It is one thing to aim at virtue and still another to be able to determine what actions virtue requires, as Vasiliou contends. But if Socrates thinks he lacks mastery of definitions of virtues, then we must ask how he thinks he can be right enough about the virtues even to look for their definitions. This puzzle is taken up to some extent in the  Meno.