اَفَلَايَتَدَبَّرُوْنَالْقُرْاٰنَاَمْعَلٰىقُلُوْبٍاَقْفَالُهَا٢٤
afalaa yatadabbaruuna alqur‑aana am 'alaa quluubin aqfaaluhaa
Then do they not reflect upon the Qur'an, or are there locks upon [their] hearts? [24]
— Sahih International