A challenge so far-reaching in its impact and irreversible in its destructive power, that it alters radically human existence... There is no doubt that the time to act is now.

Today the impulse towards interdependence is immeasurably greater. We are witnessing the beginnings of a new doctrine of international community.

I'm afraid that's in the nature of modern politics - it's as much conducted by abuse as argument.

Your loss we count as our loss. Your struggle we take as our struggle.

You only require two things in life: your sanity and your wife.

I think Hillary Clinton is an outstandingly capable and decent person.

Education is the best economic policy there is.