﴿ بَيْنَهُمَا بَرْزَخٌۭ لَّا يَبْغِيَانِ ﴾

“[yet] between them is a barrier which they may not transgress.”

Between them there is a barrier by His power exalted be He. They do not overstep neither of the two encroaches upon the other to become mixed with it.