In all the speaking that I have done in the United States before varied audiences, including some hostile whites, the only time that I have ever been booed was one night in our regular weekly mass meeting by some angry young men of our movement. I went home that night with an ugly feeling. Selfishly, I thought of my sufferings and sacrifices over the last twelve years. Why would they boo one so close to them? But as I lay awake thinking, I finally came to myself, and I could not for the life of me have less than patience and understanding for those young people. For twelve years I, and others like me, had held out radiant promises of progress. I had preached to them about my dream. I had lectured to them about the not too distant day when they would have freedom, “all, here and now.” I had urged them to have faith in America and in white society. Their hopes had soared. They booed because they felt that we were unable to deliver on our promises, and because we had urged them to have faith in people who had too often proved to be unfaithful. They were hostile because they were watching the dream that they had so readily accepted turn into a frustrating nightmare.
— The Autobiography of Martin Luther King, Jr., edited by Clayborne Carson