سمعت هشام بن حكيم يقرأ سورة الفرقان في حياة رسول الله ﷺ … فقال رسول الله ﷺ: كذلك أنزلت ثم قال رسول الله ﷺ: اقرأ يا عمر فقرأت التي أقرأني، فقال: كذلك أنزلت، إن هذا القرآن أنزل على سبعة أحرف، فاقرءوا ما تيسر منه
Umar heard Hisham ibn Hakim reciting Surah Al-Furqan in ways the Prophet ﷺ had not taught him, and brought him to the Messenger of Allah ﷺ. He had Hisham recite and said: “Thus it was revealed.” Then he had Umar recite and said: “Thus it was revealed. This Qur’an has been revealed in seven modes (ahruf), so recite of it whatever is easy for you.”