And know that all of what we have mentioned is the rule of reason in matters. Sometimes it gives strictness in it, sometimes it gives ease in it, and sometimes it gives each person with a right his due, so in every ruling it is in accordance with what the right in it becomes clear to him, whether that is in the divine, in the natural, or in what is a combination of both in it. Collection, difference, annihilation, permanence, awakening, intoxication, absence, presence, erasure, and proof. An explanation of what the matter is. Know that the matter is truth and creation, and that it is pure existence that has not ceased and continues to exist, and pure possibility that has not ceased and continues to exist, and pure non-existence that has not ceased and continues. For pure existence does not accept nothingness forever and ever, and pure nothingness does not accept Existence is eternal and eternal, and pure possibility accepts existence for a reason and non-existence is accepted for