We have the most religious freedom of any country in the world, including the freedom not to believe.

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 think the idea of moving to a cleaner energy future and doing more energy efficiency makes smart sense.

I figured if I could get really good people who were going to be able to have a big impact in the world over the next decade to come together once a year for ten years and actually sign a pledge to take action themselves, if we did that every year for ten years we could do a lot of good in the world. That's the difference between my meeting and any other. If you don't want to promise to do something, don't come to my meeting, stay home.

The purpose of politics is to give people tools to make the most of their lives.

Tonight, I propose a 21st Century Crime Bill to deploy the latest technologies and tactics to make our communities even safer. Our balanced budget will help put up to 50,000 more police on the street in the areas hardest hit by crime, and then to equip them with new tools from crime-mapping computers to digital mug shots. We must break the deadly cycle of drugs and crime.

We all do better when we work together. Our differences do matter, but our common humanity matters more.