I try to make it a rule not to meddle in other people's politics.

We will keep the promise of Social Security by taking the responsible steps to strengthen it - not by turning it over to Wall Street.

It's harder to end a war than begin one. Indeed, everything that American troops have done in Iraq -- all the fighting and all the dying, the bleeding and the building, and the training and the partnering -- all of it has led to this moment of success. Now, Iraq is not a perfect place. It has many challenges ahead. But we're leaving behind a sovereign, stable and self-reliant Iraq, with a representative government that was elected by its people. We're building a new partnership between our nations.

Every life must be given the chance to realize its full potential - that every life matters.

And above all, children need our unconditional love - whether they succeed or make mistakes; when life is easy and when life is tough.

Our lives are now in a telephone, all our data, all our finances, all our personal information, and so it's proper that we have some constraints on that. But it's not going to be 100 percent. If it is 100 percent, then we're not going to be able to protect ourselves and our societies from some people who are trying to hurt us.

I didn't set a red line, the world set a red line