Certainty is his saying to his Prophet, may God’s prayers and peace be upon him, “Worship your Lord until certainty comes to you,” and its ruling is the resting of the soul with what is certain or its movement toward what is certain, which is what a person has insight into whatever it is, so if the ruling of what is sought in the soul is the ruling of what is achieved, then that certainty is achieved whether the certain is achieved or It did not happen at the time, as in saying, “The command of God has come, even if it has not yet come,” but the believing soul is cut off by its coming, so there is no difference in it between its happening and its not happening. It is the saying of those who said, “If the cover was removed, you would not have increased in certainty, ” although the one who is certain is what happened in existence. Al-Aini, so God said to His Prophet and to every servant who will be like him, “Worship your Lord until certainty comes to you.” Then when certainty comes