Hadith 499
Musa bin Talha reported on the authority of his father: We used to say prayer and the animals moved in front of us. We mentioned it to the Messenger of Allah (ﷺ) and he said: If anything equal to the back of a saddle is in front of you, then what walks in front, no harm would come to him. Ibn Numair said: No harm would come whosoever walks in front.
Hadith 2049
Sa'id bin Zaid bin 'Amr bin Nufail reported: I heard Allah's Apostle (ﷺ) as saying: Truffles are a kind of 'Manna' and their juice is a medicine for the eyes.