Some masters of this treasury said that it includes the annihilation of the one who did not exist and the survival of the one who did not cease to exist, and this issue confuses those who are not sure of its detection and whose witnesses are not verified. For there are people who have a glimmer of what they are looking for, and they suffice with it without examining the situation and investigating it, so this situation is judged according to what He witnessed on his part, thinking or definitely that he had fulfilled it, and I have seen men with this description of him, and someone like this one, Al-Sahl bin Abdullah Al-Tustari, who is prominent in this regard in the knowledge of the isthmus, appeared. He passed by him for a glance and took note of what the people were on in the isthmus, and he did not stop until he saw whether he did what he saw. A change in different conditions for his family, or they continue in one state, so he ruled that they remain in one state as he saw them