It is poor civic hygiene to install technologies that could someday facilitate a police state.

Privacy is a fundamental human need.

The very definition of news is something that hardly ever happens. If an incident is in the news, we shouldn't worry about it. It's when something is so common that its no longer news - car crashes, domestic violence - that we should worry.

It is insufficient to protect ourselves with laws; we need to protect ourselves with mathematics.

Surveillance of power is one of the most important ways to ensure that power does not abuse its status. But, of course, power does not like to be watched.

There are two types of encryption: one that will prevent your sister from reading your diary and one that will prevent your government.

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