Abstraction Quote by Grady Booch
“Hierarchy is a kind of order of abstractions.”
About This Quote
Source Book: Object-Oriented Analysis and Design, Grady Booch, 1991
Abstractions are organized in layers, each higher level simplifies the one below.
In simple terms: Higher levels hide details of lower ones.
Key Takeaway
Use abstraction to manage complexity.
Themes
software design
hierarchy
abstraction
Mood
analytical
pragmatic
Type
technical
educational
When to use this quote
- system architecture
- code refactoring
- team communication
Key Concepts
object-oriented
layered architecture
Questions to Reflect On
- How does abstraction help you solve problems?
- When might you need to see the details?
A Different Perspective
Abstraction can obscure important low‑level details.
![“I'd say that [Louis] Brandeis practiced a kind of a "living originalism," to use the title of Jack Balkin's great book. He said you start with the paradigm case, which in the case of the Fourth Amendment was these general warrants or writs of assistance, but you define it at a level of abstraction…” quote by Jeffrey Rosen](https://sms4smile.com/quotes/img-quotes/aeb/jeffrey-rosen-13180_abstraction_i-d-say-that-louis-brandeis-practiced-a_73138.jpg)