It's always too early to quit.
By failing to prepare, you are preparing to fail.
You never know what motivates you.
Know or listen to those who know.
After a storm comes a calm.
Always desire to learn something useful.
Expect problems and eat them for breakfast.
The wise does at once what the fool does at last.
Things do not happen. Things are made to happen.
If you think you can do it, you can.
There is a different future that is available to North Korea, if they choose differently.
Any agreement that you have isn't going to be based on North Korea's intentions or trust.