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

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

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

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

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

“Few things give a human being as much spiritual depth as relationship. If we teach effective communication and conflict-resolution skills to our boys from early on, we lay a foundation for spiritual groundedness. This means we must communicate effectively and resolve conflicts with them as much as possible. By our modeling and teaching, they'll gain the skill to go nearly anywhere and relate effectively, with appropriate boundaries, with good skills, and also with an ability to not take it personally when things go wrong.”

“This fascination with computer models is something I understand very well. Richard Feynmann called it a disease. I fear he is right.”