Umar ibn al-Khattab · Oneness, Uniqueness of Allah (Tawheed)

I heard Hisham bin Hakim reciting Surat-al-Furqan during the lifetime of Allah's Messenger (ﷺ), I listened to his recitation and noticed that he was reciting in a way that Allah's Messenger (ﷺ) had not taught me. I was about to jump over him while He was still in prayer, but I waited patiently and when he finished his prayer, I put my sheet round his neck (and pulled him) and said, "Who has taught you this Sura which I have…