"The American effort is diplomatically led, it has diplomatic traction, it is gaining diplomatic results and I want to stay right there right now."
"The tragedy of war is well-enough known it doesn't need another characterization beyond the fact that it would be catastrophic."
"I don’t tell the enemy in advance what I’m going to do … We’re ready."
"How often do you see [Britain] France, China, Russia, the U.S. voting unanimously on any issue [U.N.Security Council sanctions on North Korea]?”
U.S. Defense Secretary Jim Mattis 
"[Donald Trump's threats of] fire and fury [identifies him as] bereft of reason. Only absolute force can work on him."
"[Trump's threats represent a] load of nonsense."
"[The Guam action would represent] an effective remedy for restraining the frantic moves of the U.S. in the southern part of the Korean peninsula and its vicinity."
"[The Guam plan is a] historic [enterprise] enveloping fire at Guam."
North Korean General Kim Rak Gyom, head, rocket command