An important barrier to interdisciplinary understanding between portfolio theorists and real world money managers is the fact that certain elements of the investment business are often shrouded in mystery. In an unprecedented contribution to the annals of investment science, the author has undertaken to catalog comprehensively those tenets of real world investment wisdom that practical experience has demonstrated to be true. To make them more accessible to portfolio theorists developing their own computer programs, he has assigned to each tenet a unique nine-digit HUT number.