We must build a world free of unnecessary barriers, stereotypes, and discrimination. ... policies must be developed, attitudes must be shaped, and buildings and organizations must be designed to ensure that everyone has a chance to get the education they need and live independently as full citizens in their communities.

The greatest threat to U.S. and global security is no longer a nuclear exchange between nations, but nuclear terrorism by violent extremists and nuclear proliferation to an increasing number of states.

You can't entirely compare between the United States and Greece for a range of reasons, not just because of the size of the economy.

We have reaffirmed again and again that the United States is not and never will be at war with Islam. Islam teaches peace, and when it comes to America and Islam, there is no us and them, there's only us, because millions of Muslim Americans are part of the fabric of our country. So, we reject any suggestion of a clash of civilizations.

It was not a religion that attacked us that September day. It was al-Qaeda. We will not sacrifice the liberties we cherish or hunker down behind walls of suspicion and mistrust.

I have never had to travel more than thirty seconds from home to office, and it's because of that that I've been able to maintain, really a family life that has nurtured and sustained me during this time [of presidency].

We worship an awesome God in the Blue States, and we don't like federal agents poking around our libraries in the Red States. We coach Little League in the Blue States and have gay friends in the Red States.