[Applause] I have spent a lot of time with my three beautiful granddaughters since they were born. And every day they would bring me some new thing or idea that they discovered. And I could see them trying to use it to to make sense of their world.Like putting a puzzle piece into a partly completed jigsaw puzzle. Sometimes they try and force a piece in where it really didn't fit. They didn't have a a box lid with a picture on it to guide them.They had no history. Sometimes their conclusions were hilarious. ...