This symbolic river is Jehovah’s means to undo all the harm brought upon mankind by Adam’s disobedience.
(‏ يو ١ :‏ ٢٩‏ )‏ وَهذَا ٱلنَّهْرُ ٱلرَّمْزِيُّ هُوَ ٱلْوَسِيلَةُ ٱلَّتِي سَيُبْطِلُ يَهْوَه بِوَاسِطَتِهَا كُلَّ ٱلضَّرَرِ ٱلَّذِي أَلْحَقَهُ عِصْيَانُ آدَمَ بِٱلْبَشَرِ .‏