Surah Al-Anfal, ayah 21

8:21

وَلَا تَكُونُواْ كَٱلَّذِينَ قَالُواْ سَمِعۡنَا وَهُمۡ لَا يَسۡمَعُونَ ٢١

Walā takūnū kalladhīna qālū sami'nā wahum lā yasma'ūn

And do not be like those who say, "We have heard," while they do not hear.