The last quote, of course!

"Only the mediocre are always at their best."
-- Jean Giraudoux

"I've been trying for some time to develop a lifestyle that doesn't require my presence."
-- Garry Trudeau

"The young have aspirations that never come to pass, the old have reminiscences of what never happened."
-- Saki

"I am a Marxist--of the Groucho tendency."
-- Anonymous