I saved all those links, they are very helpful to me.
The last one is somewhat familliar. When you enter the MLK Center for Nonviolent Social Change, painted on the museum wall in front so that it's the first thing you see, is a quote from Dr King:
"The choice is not between nonviolence and violence; the choice is between nonviolence and nonexistence."
god over me, god before me, god behind me; on thy path, o god, thou in my steps...