Winter came and the city [Chicago] turned monochrome -- black trees against gray sky above white earth. Night now fell in midafternoon, especially when the snowstorms rolled in, boundless prairie storms that set the sky close to the ground, the city lights reflected against the clouds

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.

And when it comes to developing the high standards we need, it's time to stop working against our teachers and start working with them. Teachers don't go in to education to get rich. They don't go in to education because they don't believe in their children. They want their children to succeed, but we've got to give them the tools. Invest in early childhood education. Invest in our teachers and our children will succeed.

Of all the rocks upon which we build our lives, we are reminded today that family is the most important.

I'm suspicious of too much certainty in the pursuit of understanding just because I think people are limited in their understanding.

Everything we've done has been designed to make sure that we address that number one priority. That's what the sanctions regime was all about. That's how we were able to mobilize the international community, including some folks that we are not particularly close to, to abide by these sanctions. That's how these crippling sanctions came about, was because we [USA] were able to gain global consensus that Iran having a nuclear weapon would be a problem for everybody.

It's one of the biggest benefits of being president that you really don't think about until you get here.