Sahih al-Bukhari 6579
Narrated `Abdullah bin `Amr:
The Prophet (ﷺ) said, "My Lake-Fount is (so large that it takes) a month's journey to cross it. Its water is 
whiter than milk, and its smell is nicer than musk (a kind of Perfume), and its drinking cups are (as 
numerous) as the (number of) stars of the sky; and whoever drinks from it, will never be thirsty."
حَدَّثَنَا سَعِيدُ بْنُ أَبِي مَرْيَمَ، حَدَّثَنَا نَافِعُ بْنُ عُمَرَ، عَنِ ابْنِ أَبِي مُلَيْكَةَ، قَالَ قَالَ عَبْدُ اللَّهِ بْنُ عَمْرٍو قَالَ النَّبِيُّ صلى الله عليه وسلم ‏
"‏ حَوْضِي مَسِيرَةُ شَهْرٍ، مَاؤُهُ أَبْيَضُ مِنَ اللَّبَنِ، وَرِيحُهُ أَطْيَبُ مِنَ الْمِسْكِ، وَكِيزَانُهُ كَنُجُومِ السَّمَاءِ، مَنْ شَرِبَ مِنْهَا فَلاَ يَظْمَأُ أَبَدًا ‏"‏‏.‏