I'm not talking about blind optimism, the kind of hope that just ignores the enormity of the tasks ahead or the road blocks that stand in our path. I'm not talking about the wishful idealism that allows us to just sit on the sidelines or shirk from a fight. I have always believed that hope is that stubborn thing inside us that insists, despite all the evidence to the contrary, that something better awaits us so long as we have the courage to keep reaching, to keep working, to keep fighting.

Let's say I'm on the policy wonk end of the spectrum. As much as I can dive into a briefing book and really work to master various subjects that come before my desk, I'm still not an expert on a huge amount of the stuff that we work on.

If you want to know who we are, who America is, how we respond to evil-that's it: selflessly, compassionately, unafraid.

American values and legal traditions do not permit the indefinite detention of people beyond our borders.

There are people in Iran who have the same aspirations as people all around the world for a better life.

These are young people who made mistakes that aren't that different than the mistakes I made and the mistakes that a lot of you guys made, we have a tendency sometimes to almost take for granted or think it's normal that so many young people end up in our criminal justice system. It's not normal. ... What is normal is teenagers doing stupid things.

When it comes to the budget, we know that we shouldn't be cutting more on core investments, like education, that are going to help us grow in the future. And we've already seen the deficit cut in half. It's going down faster than any time in the last 60 years. So why would we make more cuts in education, more cuts in basic research? Nobody thinks that's a good idea.