30:59
Ar-Rum 59
Surah Ar-Rum (الروم), verse 59 — reference 30:59. Arabic text with optional translation and free audio on Al-Qalam.
كَذَٰلِكَ يَطْبَعُ ٱللَّهُ عَلَىٰ قُلُوبِ ٱلَّذِينَ لَا يَعْلَمُونَ
kadhālika yaṭbaʿu l-lahu ʿalā qulūbi alladhīna lā yaʿlamūna
Thus does Allāh seal the hearts of those who do not know.