‏الأشربة : Hadeeth No:5088 Sa'id b. Zaid reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: Truffles are 'Manna' which Allaah, the Exalted the Majestic, sent to the people of Israil, and its juice is a medicine for the eyes....

‏فضائل الصحابة‏ : Hadeeth No:5903 Ibn Umar reported Umar as saying: My lord concorded with (my judgments) on three occasions. In case of the Station of Ibrahim, in case of the observance of veil and in case of the prisoners of Badr....