خَتَمَ اللَّهُ عَلَى قُلُوبِهِمْ
(Allah has set a seal on their hearts), â€A stamp. It occurs when sin resides in the heart and surrounds it from all sides, and this submersion of the heart in sin constitutes a stamp, meaning a seal.'' Ibn Jurayj also said that the seal is placed on the heart and the hearing. In addition, Ibn Jurayj said, that `Abdullah bin Kathir narrated that Mujahid said, â€The stain is not as bad as the stamp, the stamp is not as bad as the lock which is the worst type.'' Al-A`mash said, â€Mujahid demonstrated with his hand while saying, `They used to say that the heart is just like this - meaning the open palm. When the servant commits a sin, a part of the heart will be rolled up - and he rolled up his index finger. When the servant commits another sin, a part of the heart will be rolled up' - and he rolled up another finger, until he rolled up all of his fingers. Then he said, `Then, the heart will be sealed.' Mujahid also said that this is the description of the Ran (refer to 83:14).'' Al-Qurtubi said, â€The Ummah has agreed that Allah has described Himself with sealing and closing the hearts of the disbelievers, as a punishment for their disbelief. Similarly, Allah said,