He made his point well; but he made it too often. And an attack of that kind, personal and savage in its nature, loses its effect when it is evident that the words have been prepared. A good deal may be done in dispute by calling a man an ass or a knave, — but the resolve to use the words should have been made only at the moment, and they should come hot from the heart.

Ch. 33 - Phineas Redux (1874)