Surah Muhammad 47:24

أَفَلَا يَتَدَبَّرُونَ ٱلْقُرْءَانَ أَمْ عَلَىٰ قُلُوبٍ أَقْفَالُهَآ

Then do they not reflect upon the Qur’ān, or are there locks upon [their] hearts?

Translation: Saheeh International

Tafsir

Do they not contemplate the Qur’ān? and so recognise the truth. Or am here is like bal ‘nay but’ is it that there are locks on their hearts? so they are unable to comprehend it.

Excerpt from Tafsir al-Jalalayn, commentary on 47:24, via Quran.com. The reader has the full commentary and 9 more tafsirs.