I'm just another guy who sits there day to day in the office, watching what's happening, and goes, 'This is something that's not our place to decide.' The public needs to decide whether these programs or policies are right or wrong.

I believe that when [senator Ron] Wyden and [senator Mark] Udall asked about the scale of this, they [the NSA] said it did not have the tools to provide an answer. We do have the tools and I have maps showing where people have been scrutinised most. We collect more digital communications from America than we do from the Russians.

When it comes to cyber conflicts between, say, America and China or even a Middle Eastern nation, an African nation, a Latin American nation, a European nation, we have more to lose.

Arguing that you don't care about privacy because you have nothing to hide is no different than saying you don't care about free speech because you have nothing to say.

The authoritarian one believed that an individual's rights were basically provided by governments and were determined by states. The other society - ours - tended to believe that a large portion of our rights were inherent and couldn't be abrogated by governments, even if this seemed necessary.

We have to decide why terrorism is a new threat. There has always been terrorism.

The NSA and Israel wrote Stuxnet together.