“The first diagram that you need on any project is a context diagram.”

“most software- or systems-development projects start out without a context diagram, blissfully unaware that they need one.”

“To build a software that your users understand, capture the language of that users in a class diagram.”

“Many of the modeling mistakes are modeler's poor listening skills.”

“With composition, parts can’t be shared with other objects. The life of the part is completely within the life span of the whole.”

“One chance is all you need.”

“So you killed him with what now?""I tried that Dr. Phil book at first"..."And I finished it off with the toilet seat. Just so you know, you left it up again. That drives me crazy.”