Muhammad · 47:24

أَفَلا يَتَدَبَّرونَ القُرآنَ أَم عَلىٰ قُلوبٍ أَقفالُها

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

Afala yatadabbaroona alqurana am AAala quloobin aqfaluha