The path towards sustainable energy sources will be long and sometimes difficult. But America cannot resist this transition, we must lead it. We cannot cede to other nations the technology that will power new jobs and new industries, we must claim its promise. That's how we will maintain our economic vitality and our national treasure-our forests and waterways, our crop lands and snow-capped peaks. That is how we will preserve our planet, commanded to our care by God. That's what will lend meaning to the creed our fathers once declared.

Tonight, let us think back to the sense of unity that prevailed on 9/11.

There's no doubt that on the issue of abortion, oftentimes it's very difficult to split the difference, although we can agree on the notion that none of us are pro-abortion and all of us would like to see a reduction in unwanted pregnancies, for example, and we could focus on those issues.

This is something that I'm sure I'd have serious debates with my fellow Christians about. I think that the difficult thing about any religion, including Christianity, is that at some level there is a call to evangelize and prostelytize. There's the belief, certainly in some quarters, that people haven't embraced Jesus Christ as their personal savior that they're going to hell.

I've got a pen, and I've got a phone, and I can use that pen to sign executive orders and take executive action. I've got a pen to talk executive actions where congress won't. Where congress isn't acting, I'll act on my own. I have got a pen and I got a phone. And that is all I need.

If we are not serious about facts and what's true and what's not. And particularly in an age of social media where so many people are getting their information in sound bites and snippets off their phones, if we can't discriminate between serious arguments and propaganda, then we have problems.

With the world's unprecedented inspections and access to Iran's program, we'll know if Iran ever tries to break out.