But in terms of how people live together, how we minimize the prospects of conflict and maximize the prospects of peace, the place of religion in our society today is essential.

I think most people who have dealt with me think I'm a pretty straight sort of guy, and I am.

Ever so often in the history of human endeavour, there comes a breakthrough that takes humankind across a frontier into a new era. ... today's announcement is such a breakthrough, a breakthrough that opens the way for massive advancement in the treatment of cancer and hereditary diseases. And that is only the beginning.

It's not that tens of millions of people all want to be violent. But they share the worldview that then, at its extreme, gives rise to the violence. And in my view, this is why this is such a global problem.

Immigration is good for a country. It brings fresh energy.

Bill Clinton has been a true leader of the western world. He has been a friend and a counsel to me and other leaders right around the world.

Society works by putting opportunity and responsibility together.