Al-Anfal - 8:21

وَلاَ تَكُونُواْ كَالَّذِينَ قَالُوا سَمِعْنَا وَهُمْ لاَ يَسْمَعُونَ
[8:21]
And be not like those who said, We hear, and they did not obey.
Nor be like those who say, "We hear," but listen not:
Be not as those who say, we hear, and they hear not.