See, that's why Barack's running: to end the war in Iraq responsibly - to build an economy that lifts every family, to make sure health care is available for every American - and to make sure that every child in this nation has a world-class education all the way from preschool to college.
A world-class playboy once told me that the key to mesmerising women is to listen to them and look deeply into their eyes.
It's not enough to train today's workforce. We also have to prepare tomorrow's workforce by guaranteeing every child access to a world-class education.
Learning to accept failure on multiple levels is, to my way of thinking, the key to become a world-class therapist. But that means humility, and setting your ego aside, while you develop superb new technical skills.
We must ensure our system of higher education offers world-class quality for a world-class economy.
While their competition is asleep, world-class leaders are up - and they're not watching the news or reading the paper. They are thinking, planning and practicing.
Having a home away from the media glare is important to world-class athletes.
There is no single field of activity, not a single institution, free of the most brutal sort of corruption. Russia has bred a world-class mafia.
Historically, Heathrow has been something of a joke, outweighed by its excellent connections. We have to aspire to having an airport at Heathrow with two runways which is a world-class airport. It's a big challenge.
When I moved to Seattle in fourth grade, I joined the Seattle Girls' Choir. It's a world-class choir, and we competed, toured Europe, and went and sang at the Vatican, so it was a really awesome experience to have that young.