Ultimately, discovery and invention are both problems of classification, and classification is fundamentally a problem of finding sameness. When we classify, we seek to group things that have a common structure or exhibit a common behavior.

— Grady Booch Object-oriented design: With Applications (1991)

More quotes by Grady Booch

Object Solutions: Managing the Object-Oriented Project (1996)

Grady Booch (1986)

Object-oriented design: With Applications (1991)

Object-oriented design: With Applications (1991)

Quote text and notes from Wikiquote: Grady Booch (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.