401. Try to ensure that you are not associated with people that were born on auspicous days or circumstances. (Seventh son of seventh son, born on All Hallows Eve, born under a comet, etc)
312. If you are an apprentice to some old guy that is a bit on the odd side, pay attention to whatever they tell you to do becuase chances are, they probably were some grand archmage a couple decades back.
308. Be sure to not have a special someone ie girlfriend, boyfriend, dog. Because if you have to go off to war, chance are they are not going to wait for you or they would just Dear John you while your out on the front.