Volume 7, Book 71, Number 609:
Narrated Said bin Zaid:
I heard the Prophet saying, “Truffles are like Manna (i.e. they grow naturally without man’s care)
and their water heals eye diseases.”
Volume 6, Book 60, Number 5:
Narrated Said bin Zaid:
Allah’s Apostle said, “The Kam’a (i.e. a kind of edible fungus) is like the Manna (in that it is ob –
tained without effort) and its water is a (medicine) cure for eye trouble.”
Volume 3, Book 43, Number 632:
Narrated Said bin Zaid:
Allah’s Apostle said, “Whoever usurps the land of somebody unjustly, his neck will be encircled
with it down the seven earths (on the Day of Resurrection). “