اَفَلَا يَتَدَبَّرُوۡنَ الۡقُرۡاٰنَ اَمۡ عَلٰى قُلُوۡبٍ اَ قۡفَالُهَا(محمد :24)
Afala yatadabbaroona alqurana am 'ala quloobin aqfaluha
Then do they not reflect upon the Qur'an, or are there locks upon [their] hearts?
Complete Indexing of Quran Topics
We have indexed and found 1 verse about or related to (including the word(s)) "Hearts, locked up".
For your information, the verse as described above: