While the future is unknowable, the winds always blow in the direction of human progress.

We will not apologise for our way of life.

... our interests and our conscience compel us to act on behalf of those who long for freedom. And we must be a source of hope to the poor, the sick, the marginalized, the victims of prejudice.

I know that there are those who disagree with the overwhelming scientific evidence on climate change. But here's the thing -- even if you doubt the evidence, providing incentives for energy-efficien cy and clean energy are the right thing to do for our future -- because the nation that leads the clean energy economy will be the nation that leads the global economy. And America must be that nation.

I don't welcome leaks. There's a reason why these programs are classified.

There may be no greater tribute to Steve Jobs' success than the fact that much of the world learned of his passing on a device he invented.

There are people in Iran who have the same aspirations as people all around the world for a better life.