The full text is here. Tough to pick, but I'd say this is my favorite part:

My whole family has been working on my campaign. And we've loved it. But we take this quite seriously as well. We know that if we win your vote for the Presidency, we will be expected to live by a higher standard. Everything we do will be under a microscope, whether we like it or not. The First family represents America to the world, and just as important, it represents America to your children and grandchildren. We will live up to a higher standard. Our family is far from perfect, but we'll always try to make you proud.