It may well be that we will have to repent in this generation. Not merely for the vitriolic words and the violent actions of the bad people, but for the appalling silence and indifference of the good people who sit around and say, "Wait on time."

"Remaining Awake Through a Great Revolution", sermon at the National Cathedral, 31 March 1968, published in A Testament of Hope (1986) - Three Ways of Meeting Oppression (1958)