Tafsir of Al-Furqan 25:73

And those who, when they are reminded of the Ayat of their Lord, fall not deaf and blind thereat. This is also a characteristic of the believers,

الذين إذا ذكر الله وجلت قلوبهم وإذا تليت عليهم ءايته زادتهم إيمنا وعلى ربهم يتوكلون

Those who, when Allah is mentioned, feel a fear in their hearts and when His Ayat are recited unto them, they increase their faith; and they put their trust in their Lord. (8:2) Unlike the disbelievers. When they hear the Words of Allah, they are not affected by them or moved to change their ways. They persist in their disbelief, wrongdoing, ignorance and misguidance, as Allah says:

وإذا ما أنزلت سورة فمنهم من يقول أيكم زادته هذه إيمنا فٲما الذين ءامنوا فزادتهم إيمنا وهم يستبشرون وأما الذين فى قلوبهم مرض فزادتهم رجسا إلى رجسهم

And whenever there comes down a Surah, some of them say: "Which of you has had his faith increased by it!'' As for those who believe, it has increased their faith, and they rejoice. But as for those in whose hearts is a disease, it will add doubt to their doubt. (9:124-125)

لم يخروا عليها صما وعميانا

fall not deaf and blind thereat. means, unlike the disbelievers who, when they hear the Ayat of Allah, are not moved by them, but continue as they are, as if they did not hear them but are deaf and blind. His saying: