7. The Single Responsibility Principle Oct 24, 2016 A responsibility is an axis of change — a potential motivation for change. SRP is the S in SOLID Book chapter about SRP from Uncle Bob via Uncle Bob's Principles of Object-Oriented Design Single Responsibility Principle: A Recipe for Great Code SRP in Ruby Off-topic: Falsehoods Programmers Believe About Names A Controller By Any Other Name (Soroush) Episode 2: View Models