If there's one thing I would like to see, it'd be for us to be able to price the cost of carbon emissions.

Look at Chancellor [Angela] Merkel, her personal story helps to tell a story of incredible achievement that the German people have embarked on and I think is something that you should be very proud of.

Insist that the first question each of us asks isn't "What's good for me?" but "What's good for the country my children will inherit?

I think if you look at almost every year under every president over the last, I don't know, 20, 30 years, you're going to be hard-pressed to find a year in which the majority of Americans thought we were on the right track.

We've got to make sure that teachers are respected, that they are rewarded, that young people like yourself who have talent and want to work with people, that you're able to support yourself and live out a great life being a teacher.

The Iranians may simply try to run out the clock.

I think it is possible for the world to see a Palestinian state - I'm not going to put a time frame on it - that is contiguous, that allows freedom of movement for its people, that allows for trade with other countries, that allows the creation of businesses and commerce so that people have a better life.