You can pretty easily invert this principle in order to make it useful. When designing new systems, make it such that it mirrors that concept you've seen before

You can pretty easily invert this principle in order to make it useful. When designing new systems, make it such that it mirrors that concept you've seen before. In making it such, you now know that certain properties will hold and the system will be easier to work with due to this, having less inelegant, sharp edges.