Gall's Law:

A complex system that works is invariably found to have evolved from a simple system that worked. A complex system designed from scratch never works and cannot be patched up to make it work. You have to start over with a working simple system.

Currently dealing with a complex teaching schedule that makes absolutely no sense and is what I have termed as “anti-human.” This year we are operating on cycle days rather than weekdays and it is truly awful. No particular day means anything.