Software Design Quotes

“The user is not a co-designer.”

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

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

“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.”

“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.”