Quotes from Gene Spafford

Cryptography [without system integrity] is like investing in an armored car to carry money between a customer living in a cardboard box and a person doing business on a park bench.

Ability to type on a computer terminal is no guarantee of sanity, intelligence, or common sense.

Using encryption on the Internet is the equivalent of arranging an armored car to deliver credit card information from someone living in a cardboard box to someone living on a park bench.