And I am glad to know that there is a system of labor - where the laborer can strike if he wants to! I would to God that such a system prevailed all over the world.
If we are willing to act violently in pursuit of a peripheral interest, everyone can be certain that, when a vital interest is at stake, we will be still more violent. 'Credibility' is defined as the willingness to kill a lot of people now for a not very good cause to assure the world that we'll kill a lot more people if we can find a better one.
The world is constantly changing. You're constantly learning and you have to be willing to get off your mark, and get off your spot and take that knowledge you have not to fix yourself into a place but to keep going.