Regarding this thought, it occurred to him that what is permissible includes abandoning a recommended or obligatory duty that he imposes upon himself, such as someone who vowed to fast on a specific day, and he has the right, if he wishes, to fast it on this day, and it is an obligatory fast, but not on this day, and it is necessary even if he fasts it on this day. On the day on which it is permissible for him to abandon fasting, he has performed an obligation, for his light is in this treasury between the two preceding lights, and the treasuries of what is forbidden in action and omission and of what is disliked in action and omission are lifted up for him. As for the treasuries of what is forbidden are pure darkness, and as for the treasuries of what is reprehensible, it is a waste. If it is limited to the time of what is forbidden, belief in it is in what is forbidden, and likewise in What is disliked, so the treasures of what is forbidden are filled to overflowing, and the tre