There is nothing that exasperates people more than a display of superior ability or brilliance in conversation. They seem pleased at the time, but their envy makes them curse the conversationalist in their heart.
In conversation the game is, to say something new with old words. And you shall observe a man of the people picking his way along, step by step, using every time an old boulder, yet never setting his foot on an old place.
Repartee is perfect when it effects its purpose with a double edge. It is the highest order of wit, as it indicates the coolest yet quickest exercise of genius, at a moment when the passions are roused.