Hadith 4184

Sa'id b. Zaid reported the Prophet as saying, “Truffles are a kind of manna, and their juice is a medicine for the eye.” (Bukhari and Muslim.) A version by Muslim has, “a kind of the manna which God most high sent down to Moses.”

وَعَن سعيد بنِ زيدٍ قَالَ: قَالَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «الْكَمْأَةُ مِنَ الْمَنِّ وَمَاؤُهَا شِفَاءٌ لِلْعَيْنِ» . مُتَّفَقٌ عَلَيْهِ. وَفِي رِوَايَةٍ لِمُسْلِمٍ: «مِنَ الْمَنِّ الَّذِي أنزلَ اللَّهُ تَعَالَى على مُوسَى عَلَيْهِ السَّلَام»

Reference: 5641840
In-book reference: Book 21, Hadith 4184