alkafi-15052Vol. 8, p. 230-231
سَأَلْتُ أَبَا عَبْدِ اللَّهِ ع- عَنْ قَوْلِ الرَّجُلِ لِلرَّجُلِ جَزَاكَ اللَّهُ خَيْراً مَا يَعْنِي بِهِ فَقَالَ أَبُو عَبْدِ اللَّهِ ع إِنَّ خَيْراً نَهَرٌ فِي الْجَنَّةِ[4] مَخْرَجُهُ مِنَ الْكَوْثَرِ وَ الْكَوْثَرَ مَخْرَجُهُ مِنْ سَاقِ الْعَرْشِ عَلَيْهِ مَنَازِلُ الْأَوْصِيَاءِ وَ شِيعَتِهِمْ عَلَى حَافَتَيْ ذَلِكَ النَّهَرِ جَوَارِي نَابِتَاتٌ كُلَّمَا قُلِعَتْ وَاحِدَةٌ نَبَتَتْ أُخْرَى سُمِّيَ[5] بِذَلِكَ
I asked Abu Abdullah (asws) about the words which a person would say to another person, ‘جَزَاكَ اللَّهُ خَيْراً’ ‘May Allah (azwj) Reward you with goodness (Khair)’, what is meant by it?’ So Abu Abdullah (asws) said: ‘Khair’ is a river in the Paradise, a tributary from Al-Kawsar. And Al-Kawsar comes out from the Pilla