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.

When a big company lays you off, they often give you a year's salary to 'go pursue a dream.' If you're stupid, you panic and get another job. If you're smart, you take the money and use the time to figure out what you want to do next.

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.

Liberty requires security without intrusion, security plus privacy.

Anyone, from the most clueless amateur to the best cryptographer, can create an algorithm that he himself can't break.

Amateurs hack systems, professionals hack people.

Surveillance is the business model of the Internet.