۞ وَهُوَ
ٱلَّذِي
مَرَجَ
ٱلۡبَحۡرَيۡنِ
هَٰذَا
عَذۡبٞ
فُرَاتٞ
وَهَٰذَا
مِلۡحٌ
أُجَاجٞ
وَجَعَلَ
بَيۡنَهُمَا
بَرۡزَخٗا
وَحِجۡرٗا
مَّحۡجُورٗا
٥٣

And He is the One Who merges the two bodies of water: one fresh and palatable and the other salty and bitter, placing between them a barrier they cannot cross.1 
Notes placeholders