أَفَلَا يَتَدَبَّرُونَ ٱلۡقُرۡءَانَ أَمۡ عَلَىٰ قُلُوبٍ أَقۡفَالُهَآ
Afalaa yatadabbaroonal Qur-aana am 'alaa quloobin aqfaaluhaa
Do they not then earnestly seek to understand the Qur'an, or are their hearts locked up by them?
— Muhammad (مُحَمَّد), 47:24
