Re: admit defeat?
"Eternal vigilance" is good. "Revolutionary fervour" is the last thing you need.
The trouble with revolutions is, they happen, and then everyone pretends everything is different - whereas in fact all that's happened is a change of personnel in certain positions. But everyone has fought the good fight, they're feeling good and upbeat and optimistic, and if you try to tell them that nothing has really changed - they won't take it well.