مَرَجَ الْبَحْرَيْنِ يَلْتَقِيَا نِبَيْنَهُمَا بَرْزَخٌ لَا يَبْغِيَانِ He released the two seas, meeting [side by side]; Between them is a barrier [so] neither of them transgresses. Q 55: 19-20