Battling terrorism must go beyond belligerence vs. isolation.

I think perhaps education doesn’t do us much good unless it is mixed with sweat.

When you try to sow the seeds of doubt in people`s minds about the legitimacy of our election, that undermines democracy. Then you`re doing the work of our adversaries for them.

The president of the United States is supposed to lead the free world and not follow it. Other nations have been more outspoken. So, I hope that we'll hear more of this because young men and women taking to the streets in Tehran need our support. The signs are in English. They're basically asking for us to speak up on their behalf.

We are convinced, as some of you may be convinced, that changing the way we produce and use energy is essential to America's economic future, that it will create millions of new jobs, power new industries, keep us competitive, and spark new innovation.

Progress does not compel us to settle centuries-long debates about the role of government for all time, but it does require us to act in our time.

This idea that America is somehow on the verge of collapse, this vision of violence and chaos everywhere, doesn't really jibe with the experience of most people.