What I remember thinking at that point, having gone through both the ups and downs of my first four years, and seeing the sea of people was, "What a remarkable country this is and how lucky am I that we live in a place where the son of a single mom, not born into any kind of fame or fortune, in a pretty remote state somehow can end up be in a position to - to make a difference."

Where the stakes are the highest, in the war on terror, we cannot possibly succeed without extraordinary international cooperation. Effective international police actions require the highest degree of intelligence sharing, planning and collaborative enforcement.

I think [Obamacare] will survive. Or it may be called something else. And as I said I don't don't mind.

Mandela's commitment to democracy was ratified not only by his election, but by his willingness to step down from power

Undocumented workers can't report if they're not being paid overtime, or if their health and safety laws are being violated, of if they're not getting the minimum wage. And so a lot of times companies prefer to hire them in order to take advantage of them. We've got to crack down on those employers.

Nobody likes taxes. I would prefer that none of us had to pay taxes, including myself.

Reversing structural problems in our economy that have been building up for two decades, that was gonna take time. It was gonna take more than a year. It was gonna take more than two years. It was gonna take more than one term. Probably takes more than one president.