Barack Obama: “We should be reaching for a level of private and public research and development investment that we haven't seen since…”

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

We designed the center not to be some lifeless mausoleum.

a belief that our military and law enforcement owe allegiance not to any president or political party, but to the people and our constitution … a belief in the peaceful transfer of power

That's what I hope every visitor to this center takes away from their experience.