Software Design Quotes

“The user is not a co-designer.”

“The manual, or specification, is the external specification of the product. It describes and prescribes every detail of what the user sees.”

“With a richly-featured mail system like Sendmail, with a permissive security model like UNIX, and with a 'let's ship it now and fix it later' software release culture, it is not a surprise that Sendmail has had so many security problems.”

“The hardest single part of building a software system is deciding precisely what to build.”

“It is almost always incorrect to begin the decomposition of a system into modules on the basis of a flowchart.”

“My goal with Postfix was to create a mailer that would be a good Sendmail replacement, where 'good' means that it must be secure, fast, and easy to administer.”