I've been saying for years, we're gonna have to spend a lot more time on cyber security.

The incredible story of progress that is America has always been built by those who ask why, what if, and why not. Our schools must begin instilling that wonder in our children again so that their generation will unite around the next great project of our time, whether it be declaring America energy independent or launching the next great technological revolution.

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.

We believe that no matter where you live - whether a village in Punjab or the bylanes of Chandni Chowk, an old section of Kolkata or a new high-rise in Bangalore - every person deserves the same chance to live in security and dignity, to get an education, to find work, and to give their children a better future.

Hope -- Hope in the face of difficulty. Hope in the face of uncertainty. The audacity of hope! In the end, that is God’s greatest gift to us...A belief in things not seen. A belief that there are better days ahead.

The most important thing we can do is to make sure that we've got very high standards, we expect a lot out of all of our young people, and we make sure that we have the best teachers possible in every classroom.

The easiest way to save money is to waste less energy.