Barack Obama: “We have cause for optimism.”

No one was more skilled at bringing people together and getting legislation passed.

helped lead some of the most significant movements for change in human history

Of course, we did not accomplish everything we set out to do. No administration does. Some of the exhibits reflect unfinished business, in some cases, my own shortcomings and mistakes, in some cases because - as a sign I kept on the…

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