Uthman bin al-Mughira al-Thqfy عثمان بن المغيرة الثقفي مولاهم أبو المغي · Chapters on Tafsir

"The Messenger of Allah (ﷺ) dispatched Abu Bakr ordering him to announce these statements. Then 'Ali followed him. When Abu Bakr was at a particular road, he heard the heavy breathing of Al-Qiswa, the she camel of the Messenger of Allah (ﷺ), so Abu Bakr appeared frightened because he thought that it was the Messenger of Allah (ﷺ). When he saw that it was 'Ali, he gave him the letter of the Messenger of Allah (ﷺ), and told 'Ali to…

Abu Sa'eed narrated: "On the Day of Badr, the Romans had a victory over the Persians. So the believers were pleased with that, then the following was revealed: 'Alif Lam Mim. The Romans have been defeated, up to His saying: 'the believers will rejoice - with the help of Allah... (30:1-5)'" He said: "So the believers were happy with the victory of the Romans over the Persians."