BOOK 7 -58

In every contingency keep in your mind's eye those who had the same experience before, and reacted with vexation, disbelief, or complaint. So where are they now? Nowhere. Well then, do you want to act like them? Why not leave the moods and shifts of others to the shifting and the shifted, and for yourself concentrate wholly on how to make use of these contingencies? You will then use them well, and they will be raw material in your hands. Only take care, and seek your own best good in all that you do. Remember, these two things: the action is important, the context indifferent.