Privacy is a fundamental human need.

Amateurs hack systems, professionals hack people.

A colleague once told me that the world was full of bad security systems designed by people who read Applied Cryptography

Corporate and government surveillance aren't separate; they're an alliance of interests.

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

The mantra of any good security engineer is: "Security is a not a product, but a process." It's more than designing strong cryptography into a system; it's designing the entire system such that all security measures, including cryptography, work together.

Air travel survived decades of terrorism, including attacks which resulted in the deaths of everyone on the plane. It survived 9/11. It'll survive the next successful attack. The only real worry is that we'll scare ourselves into making air travel so onerous that we won't fly anymore.