Muhammad • BN-TAFSEER-IBN-E-KASEER
﴿ أَفَلَا يَتَدَبَّرُونَ ٱلْقُرْءَانَ أَمْ عَلَىٰ قُلُوبٍ أَقْفَالُهَآ ﴾
“Will they not, then, ponder over this Qur’an? - or are there locks upon their hearts?”
Please check ayah 47:28 for complete tafsir.