tldr version:<p>Principles are like rules:<p>you are either compliant or you are not. This gives rise to “bounded sets” of rule-followers and rule-enforcers rather than “centred sets” of people with shared values.2<p>Instead, I started thinking about properties:<p>qualities or characteristics of code rather than rules to follow.<p>Properties define a goal or centre to move towards. Your code is only closer to or further from the centre, and there is always a clear direction of travel.<p>.....<p>and then he gives a list of five properties that good architectures can aim for.