I tell people: if it's in the news, don't worry about it, because by definition, news is something that almost never happens.

The more we expect technology to protect us from people in the same way it protects us from nature, the more we will sacrifice the very values of our society in futile attempts to achieve this security.

But in this country, while you have to be competent to pull off a terrorist attack, you don't have to be competent to cause terror. All you need to do is start plotting an attack and - regardless of whether or not you have a viable plan, weapons or even the faintest clue - the media will aid you in terrorizing the entire population.

Think of your existing power as the exponent in an equation that determines the value of information. The more power you have, the more additional power you derive from the new data.

Trying to make bits uncopyable is like trying to make water not wet. The sooner people accept this, and build business models that take this into account, the sooner people will start making money again.

There are two kinds of cryptography in this world: cryptography that will stop your kid sister from reading your files, and cryptography that will stop major governments from reading your files.

Metadata equals surveillance; it's that simple.