Barack Obama: “We will not stop until we get there.”

They're meant to remind us of who we can be, to remind us of what's possible, so we can forge ahead.

The success of this experiment was never a given.

I think when you understand the complexities of America and the contradictions of America, I don’t think it makes you love it less. I think it makes you love it more.

We designed the center not to be some lifeless mausoleum.