Better may not be as good as the best, but better is surprisingly hard to obtain. And better is actually harder than worse.

Nothing in life that’s worth anything is easy.

Since taking office, I've made it clear that the United States was prepared to begin a new chapter of engagement with the Islamic Republic of Iran. We offered the Iranian government a clear choice. It could fulfill its international obligations and realize greater security, deeper economic and political integration with the world, and a better future for all Iranians. Or it could continue to flout its responsibilities and face even more pressure and isolation.

I don't presume to have knowledge of what happens after I die. But I feel very strongly that whether the reward is in the here and now or in the hereafter, the aligning myself to my faith and my values is a good thing.

We are a people of improbable hope.

No matter how much you've done, or how successful you've been, there's always more to do, always more to learn, and always more to achieve.

Of course, there is no question that Libya - and the world - will be better off with Gaddafi out of power. I, along with many other world leaders, have embraced that goal, and will actively pursue it through non-military means. But broadening our military mission to include regime change would be a mistake.