7. Ali ibn Ibrahim has narrated from his father from Ibn Abi ‘Umayr from in a marfu‘ manner who has said the following: “Once, a man complained before abu ‘Abd Allah , about plague. He (the Imam) said, ‘What you need is the fine and blessed.’ I then asked, ‘What is the fine and blessed?’ He (the Imam) said, ‘It is your Sulaymaniy, this one.’ He (the narrator) has said that abu ‘Abd Allah , then said, ‘The first one who found sugar was Sulayman ibn Dawud, ‘Alayhim al-Salam . ’”