We don't know what's causing climate change on this planet. And the idea of spending trillions and trillions of dollars to try to reduce CO2 emissions is not the right course for us.

Freedom. Freedom of religion. Freedom to speak their mind. Freedom to build a life. And yes, freedom to build a business. With their own hands. This is the essence of the American experience.

If I'm the godfather of [Obamacare], then it gives me the right to kill it.

The right way to deal with healthcare reform is not to have a one-size-fits-all plan that's imposed on all the states, but recognizing the differences between different states' populations, states should be able to craft their own plans to get all their citizens insured, and to make sure that preexisting conditions are covered.

I will spend the next four years rebuilding the foundation of a opportunity society led by free people and free enterprises.

We will achieve North America energy independence by 2020, by taking full advantage of our oil, our gas, our coal, our renewables and our nuclear power. Abundant, inexpensive, domestic energy will not only create energy jobs, it will bring back manufacturing jobs.

There are a number of things that sound good, but frankly, we just can't afford them. And Obamacare doesn't sound good and it's not affordable.