It's important to remember when you start doing things like attacking hospitals through the internet, when you start attacking things like internet exchange points, when something goes wrong, people can die. If a hospital's infrastructure is affected, lifesaving equipment turns off.

Do you check it when you travel, do you check it when you're just at home? They'd be able to tell something called your 'pattern of life.' When are you doing these kind of activities? When do you wake up? When do you go to sleep? What other phones are around you when you wake up and go to sleep? Are you with someone who's not your wife?

I have been to the darkest corners of government, and what they fear is light.

The work of a generation is beginning here, with your hearings, and you have the full measure of my gratitude and support.

The NSA has built an infrastructure that allows it to intercept almost everything.

America is a fundamentally good country. We have good people with good values who want to do the right thing. But the structures of power that exist are working to their own ends to extend their capability at the expense of the freedom of all publics.

People say that [i'm a celebrity], but I've only had to sign autographs for "civ-libs" types. And I autograph court orders.