President Obama's approach embodies the values, the ideas and the direction America has to take to build the 21st-century version of the American Dream: a nation of shared opportunities, shared responsibilities, shared prosperity, a shared sense of community.

To build a twenty-first-century economy, America must revive a nineteenth-century habit--investing in the common, national economic resources that enable every person and every firm to create wealth and value.

All Americans, not only in the states most heavily affected but in every place in this country, are rightly disturbed by the large numbers of illegal aliens entering our country. The jobs they hold might otherwise be held by citizens or legal immigrants. The public services they use impose burdens on our taxpayers. That's why our administration has moved aggressively to secure our borders more by hiring a record number of new border guards, by deporting twice as many criminal aliens as ever before, by cracking down on illegal hiring, by barring welfare benefits to illegal aliens.

Through scientific discovery and technological innovation, we enlist the forces of the natural world to solve many of the uniquely human problems we face - feeding and providing energy to agrowing population, improving human health, taking responsibility for protecting the environment and the global ecosystem, and ensuring our own Nation's security. Scientific discoveries inspire and enrich us, teaching us about the mysteries of life and the nature of the world.

I haven't eaten at a McDonald's since I became President.

Just because you can't do everything, it doesn't mean you shouldn't do what you can.

If you voluntarily quit in the face of adversity, you'll wonder about it for the rest of your life.