A person who, because he has corns himself, always treads on other people's toes.
Source: The Roman Candle, answering What is a sensitive person? in The Remarkable Rocket, 1888.
-- Oscar Wilde, (Oct 16 1856-1900), Anglo-Irish playwright, novelist; He was noted for his flamboyant witty, sophisticated plays, e.g., The Importance of Being Ernest, 1895.