Reference: https://x.com/dawah16/status/1011678269316517889
https://twitter.com/dawah16/status/1011678269316517889
Nayl al-Awtaar v5 p149
Regarding his ﷺ statement:
«The water of Zam Zam is what it is drunk for» - authenticated by al-Albaanee in Saheeh al-Jaami' no.10439.
... said:
There is evidence here that the water of Zam Zam benefits the drinker for whatever reason he drinks it for - whether it is for the affairs of this world or the Hereafter; because
«what»in his ﷺ words
«is what it is drunk for»is general in meaning [encompassing all affairs].
