Barack Obama: “It's not enough just to say America is exceptional. You've got to prove it.”

And I will fight for that, even if I don’t always think it’s going to win.

Use that hope to make a difference. Get involved.

I’m going to insist that we can do better than we’re doing right now.

If I had a blame pie for why politics is so polarised and why we're seeing a rise of populism in many places, it's because of that information that is going into our brains every day.