We have to be militants for kindness, subversive for sweetness and radicals for tenderness.

I know my dear brother, President [Barack] Obama, has a bust of Martin King right there in the Oval Office, but the question is are is he going to be true to who that Martin Luther King, Jr., actually is? King was concerned about what? The poor. He was concerned about working people. He was concerned about quality jobs. He was concerned about quality housing. He was concerned about precious babies in Vietnam, the way we ought to be concerned about precious babies in Afghanistan and precious babies in Tel Aviv and precious babies in Gaza.

You can't move forward until you look back.

The humanity and the humility, which are very different than the biological species homo sapiens. Humanity versus homo sapiens - very different things. We are biological creatures, we are animals, no doubt, but when you talk about "humando," you're talking about that particular kind of animals who are aware of their impending extinction, who have the capacity to be sensitive to catastrophe and disaster and calamity and profound crisis.

I had blackouts, fallen out, of course, the death threats, people showing up, putting guns to my wife's head with mask, and people having shot guns in the driveway, looking for me or announcing that I've already died before lectures and sending it through newspaper - sending it to newspaper columns they send my mother and so on. There's a real night side to my particular calling, which is try to bear witness to love and truth.

Frank Rich, Paul Krugman, Maureen Dowd, a whole host of brilliant, courageous critics say all kinds of things, and he [Barack Obama] treats them with respect. They get invited to the White House. I say the same thing, he talks to me like I'm a Cub Scout.

There are various forms of weaponry, intellectual weaponry, spiritual weaponry, political weaponry, economic weaponry. Because we are on the battlefield, and there are bullets flying, some symbolic, some literal and the life of the mind is a crucial place where the battle goes on.