"[during a meeting in the House of Windsor] Mr. Pitt's consoling pleasantries should not deceive the House. The King is incapacitated. There are those who say he has lost his reason. In which case, I propose that a bill be drawn up to make the Prince of Wales Regent!"
January 1, 1970
https://en.wikiquote.org/wiki/The_Madness_of_King_George