The lines are taken from a Charles Bukowski poem title "The German Bar." I love Bukowski's poetry, especially the ones that seem to sock you in the stomach at the end. They're like a Vonnegut novel contained in a single page.
Not your typical image of Caesar, I know. For some reason, I kept picturing a heavier man than the gaunt image of Caesar with a hang dog expression. Stephen Fry seemed an apt fit.