Iran has to live up to its international obligations. . . . The president has said that our patience is not unlimited.

The more freely information flows, the stronger the society becomes, because then citizens of countries around the world can hold their own governments accountable. They can begin to think for themselves.

I don't buy the hype when everybody is saying how wonderful things are and how great I am, and I don't get too down when people say, "This is a disaster and he's done for."

We are willing to uphold principles that have resulted in unprecedented prosperity and security throughout Europe and around the world. With the threat of climate change only becoming more urgent, Angela [Merkel] and I focused on the need for American and E.U. leadership to advance global cooperation.

I want every young man who sees me to know that I'm not that different from them. I wasn't born into wealth. I wasn't born into fame. I made a lot of mistakes - but I kept at it.

Don't just get involved. Fight for your seat at the table. Better yet, fight for a seat at the head of the table.

One thing I think we have to do is to make sure that the undocumented workers who are living in America today, that they have to take responsibility. They've got to register, pay a fine, pay their back taxes, learn English and then get on a pathway in which they could have the prospect of being here legally.