SAHIH MUSLIM, BOOK 23 The Book of Drinks (Kitab Al-Ashriba)
Book 023, Number 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.
Book 023, Number 5081:
'Amir b. Sa'd b. Abu Waqqas reported Allah's Messenger (may peace be upon him) as saying: He who ate seven 'ajwa' dates in the morning, poison and magic will not harm him on that day.
Book 023, Number 5082:
This hadith has been reported on the authority of Ibn Hashim with the same chain of transmitters but with a slight variation of wording.
Book 023, Number 5083:
'A'isha reported Allah's Messenger (may peace be upon him) as saying: The 'ajwa' dates of 'Aliya' contain heating effects and these are antidote in the early morning.
