Joseph N. Welch Quote
Senator, may we not drop this? We know he belonged to the Lawyers Guild. Let us not assassinate this lad further, Senator. You've done enough. Have you no sense of decency, sir? At long last, have you left no sense of decency?
Highlighted section quoted in: Robert Shogan (2009) No Sense Of Decency: The Army-McCarthy Hearings. p. xiii - Army–McCarthy hearings (9 June 1954)