If we don’t uphold our Constitution and our values, that over time, that will make us less safe and that will be a recruitment tool for organizations like Al Qaeda. That’s what I have to keep my eye on.

If we can make sure that that young boys starting at the age of three or four already knows their colors and their letters and are getting good preschool, and by the time they get into school they've got a good teacher and are getting the support that they need and are able to keep up with their classwork, that is going to do more to reduce the incarceration rate at the same time, obviously, as it increases the college enrollment rate.

Weapons that were designed for soldiers in war theaters don’t belong on our streets.

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.

Poorly secured nuclear material in the former Soviet Union, or secrets from a scientist in Pakistan could help build a bomb that detonates in Paris. The poppies in Afghanistan become the heroin in Berlin. The poverty and violence in Somalia breeds the terror of tomorrow.

Imagine if you had genuine, high-quality early-childhood education for every child, and suddenly every black child in America - but also every poor white child or Latino [child], but just stick with every black child in America - is getting a really good education. And they're graduating from high school at the same rates that whites are, and they are going to college at the same rates that whites are, and they are able to afford college at the same rates because the government has universal programs. So now they're all graduating.

If everybody who voted in 2008 shows up in 2010, we will win this election. We will win this election.