Muhammad bin Kathir bin Abi 'Ata' محمد بن كثير بن أبي عطاء الثقفي · 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…