The multitude have often a true instinct for distinguishing an able man when he has the means of displaying his ability in a fair field before them.
 John Stuart Mill, Considerations on Representative Government (1861). copy citation

Context

“the opposing ranks would meet face to face and hand to hand, and there would be a fair comparison of their intellectual strength in the presence of the country. It would then be found out whether the opinion which prevailed by counting votes would also prevail if the votes were weighed as well as counted. The multitude have often a true instinct for distinguishing an able man when he has the means of displaying his ability in a fair field before them. If such a man fails to obtain any portion of his just weight, it is through institutions or usages which keep him out of sight. In the old democracies there were no means of keeping out of sight any able man:” source