“The sleepwalkers of 2017 should consider: On the brink of conflict, you never know just where the edge of the cliff may be.”
- David Ignatius, “What North Korea told a U.N. envoy trying to prevent war”, Washington Post, 2017-12-19
"Sleepwalkers" is a reference to "The Sleepwalkers: How Europe Went to War in 1914", Christopher Clark