Sa'id bin Iyas al-Jariri سعيد بن إياس الجريري · The Book on Salat (Prayer)

"While I was praying, I said: Bismillahir-Rahmanir-Rahim "In the Name of Allah, the Merciful, the Beneficent." My father heard me and said: "O my son this is a newly invented matter, beware of the newly-invented.'" He (Ibn Abdullah) said: "I have not seen any one of the Companions of Allah's Messenger who hated a newly invented matter in Islam more than him. And he said: 'Ihave performed Salat with the Prophet, and with Abu Bakr, and Umar, and with Uthman.…