In this chapter, know that this abode is the true abode of the isthmus, for the isthmus expands in it. People are not what they think it is, as God made known to us in His Book in His saying, “In the two seas between them is an isthmus that they do not cross.” The reality of the isthmus is that there is no isthmus in it, and it is what meets what Between them in and of itself, if one of them meets with a face other than the face with which the other is met, then between the two faces there must be in itself a isthmus that separates the two faces so that they do not meet, so if it is not an isthmus, then if the same face with which it meets one of the two things that is between them is the same face with which it meets the other, then that is It is the true isthmus, so it is separate from everything it encounters, so the separation between things appears, and the separator is one eye. And if you know this, you know what the isthmus is, and its example is the whiteness of every whit