"And do not be like those who say, 'We have heard,' while they do not listen" (8:21), [meaning:] the guidance.
﴿وَلا تَكُونُوا كَالَّذِينَ قَالُوا سَمِعْنَا وهم لَا يسمعُونَ﴾ ﴿الْهدى﴾