8:21
Al-Anfal 21
Surah Al-Anfal (الأنفال), verse 21 — reference 8:21. Arabic text with optional translation and free audio on Al-Qalam.
وَلَا تَكُونُوا۟ كَٱلَّذِينَ قَالُوا۟ سَمِعْنَا وَهُمْ لَا يَسْمَعُونَ
walā takūnū ka-alladhīna qālū samiʿ'nā wahum lā yasmaʿūna
And do not be like those who say, "We have heard," while they do not hear.