If we're going to prevent large parts of this Earth from becoming not only inhospitable but uninhabitable in our lifetimes, we're going to have to keep some fossil fuels in the ground rather than burn them and release more dangerous pollution into the sky.

I can document this past week [of presidency] we've put out memos from every agency showing what did we do. Try to be as honest as possible. There's a little hype involved obviously. It's spin because it's our agencies. We feel some pride about it. But tried to be self-critical as well.

If we're trying to protect the American public, we should not put in place a travel ban.

Africa is on the move; a new Africa is emerging!

The Warren Court wasn't that radical. It didn't break free from the essential constraints that were placed by the founding fathers in the Constitution... I intend to succeed where they failed.

Peace is not just the absence of war. True peace depends upon creating the opportunity that makes life worth living. And to do that, we must confront the common enemies of human beings: nuclear weapons and poverty; ignorance and disease.

How does the saying go? When two locusts fight, it is always the crow that feasts.' Is that a Luo expression?' I asked. Sayid's face broke into a bashful smile. We have a similar expression in Luo,' he said, 'but actually I must admit that I read this particular expression in a book by Chinua Achebe. The Nigerian writer. I like his books very much. He speaks the truth about Africa's predicament. the Nigerian, the Kenya - it is the same. We share more than divides us.