Surah Al-Alaq · 96:4

“Read, [O Prophet,] in the Name of your Lord who created -- created humans from a clinging clot. Read! And your Lord is the Most Generous, who taught by the pen -- taught humanity what they knew not.”

Same source as the post on this event that carries this ayah. Hadith reference: Sahih al-Bukhari 4953 (sunnah.com)

Same source as the post on this event that carries this ayah.