If we choose only to expose ourselves to opinions and viewpoints that are in line to our own, we become more polarized, more set in our own ways. It will only reinforce and deepen the political divides in our country. But if we choose to actively seek out information that challenges our assumptions and beliefs, perhaps we can begin to understand where the people who disagree with us are coming from.

People don't expect government to solve all their problems. But they sense, deep in their bones, that with just a slight change in priorities, we can make sure that every child in America has a decent shot at life, and that the doors of opportunity remain open to all. They know we can do better.

One of the best investments we can make in a child’s life is high-quality early education.

With respect to some of the specific legislation or initiatives that I've made, it's true that Republicans often opposed these things. Sometimes they opposed them because I proposed them. Now that they are responsible for governing, I think they'll find that reversing them would be counterproductive.

We the people declare today that the most evident of truth that all of us are created equal ... that our individual freedom is inextricably bound to the freedom of every soul on Earth.

Part of American leadership is making sure that we're doing nation building here at home. That will help us maintain the kind of American leadership that we need.

Our intelligence communities spend a lot of time and effort gathering a lot of strands and a lot of data [on Russian hacking]. There are times where they're very cautious and they say, "We think this is what happened, but we're not certain."