Barack Obama: “We do not seek permanent military bases in Afghanistan.”

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

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

At least one of our major parties has been captured by politics that is not that subtle about suggesting that ‘We the people’ means a certain kind of people.

It's a way to honor her trailblazing leadership, and inspire visitors to follow in her footsteps.