" There's no way out," he announced with satisfaction, "and no amount of wishful dreaming will produce one. The demon won't go back in its bottle, the face-off is for ever, the embrace gets tighter and the toys cleverer with every generation, and there's no such thing for either side as enough security. Not for the main players, not for the nasty little newcomers who each year run themselves up a suitcase bomb and join the club. We get tired of believing that, because we're human. We may even con ourselves into believing the threat has gone away. It never will. Never, never, never."

"So, who'll save us then, Walt?" Barley asked. "You and Nedsky?"

"Vanity, if anything will, which I doubt," Walter retorted. "No leader wants to go down in history as the ass who destroyed his country in an afternoon. And funk, I suppose. Most of our gallant politicians do have a narcissistic objection to suicide, thank God. "

― John le Carré , The Russia House