31: K.I.S.S. (Complexity; The Progress Killer)
Keeping things simple IS and always will be the hardest principle for us to adopt and put into practice. By nature we gravitate to complex narratives, simply because we assume the more extensive or nuance the approach is the more superior it has to be, right? All too often we discount the oldest, tried and true methodology due to its lackluster zeal. However, once applied continually, to everything, progress ensues.