"History will have to record that the greatest tragedy of this period of social transition was not the strident clamor of the bad people, but the appalling silence of the good people."
"The ultimate measure of a man is not where he stands in moments of comfort and convenience, but where he stands at times of challenge and controversy."
Read more at Brainy Quote
Biography in Context landing page
The King Center for Nonviolent Social Change
Nobel Prize Website Biography