The Book of Drinks (Kitab Al-Ashriba)

Muslim :: Book 23 : Hadith 5080

Amir b. Sa'd b. Abu Waqqas, on the authority of his father, reported Allah's Messenger (may peace be upon him) having said: He who ate seven dates (of the land situated) between these two lava plains in the morning, no poison will harm him until it is evening.

Source materials are from the University of Southern California MSA site
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