Here is something he said that you don't often hear quoted:
When are we going to ask this question - I mean really ask it as a society, as a culture, as a nation?
...And one day we must ask the question, Why are there forty million poor people in America? And when you begin to ask that question, you are raising questions about the economic system, about a broader distribution of wealth. When you ask that question, you begin to question the capitalistic economy. And I'm simply saying that more and more, we've got to begin to ask questions about the whole society...