The Holy Quran 24:50 — Surah An-Nur
Arabic text
أَفِى قُلُوبِهِم مَّرَضٌ أَمِ ٱرْتَابُوٓا۟ أَمْ يَخَافُونَ أَن يَحِيفَ ٱللَّهُ عَلَيْهِمْ وَرَسُولُهُۥ ۚ بَلْ أُو۟لَـٰٓئِكَ هُمُ ٱلظَّـٰلِمُونَ
Translation
Is there a disease (kufr) in their hearts (that prevents them from accepting the judgement of Rasulullaah ﷺ), are they doubtful (about the Nabuwwah of Rasulullaah ﷺ), or do they fear that Allaah and His Rasool will oppress them? Never (it is impossible for Allaah and Rasulullaah ﷺ to oppress anyone)! (The real reason for their rejection is that) They are indeed the oppressors (wrongdoers).
Tafsir (excerpt) — Tafsir Usmani
The sickness is that they accepted Allah and the Messenger ﷺ as truthful, yet greed does not let them act on what they are told, just as a sick man wants to walk but his feet will not lift. That is, are they under some delusion regarding Allah and the Messenger ﷺ, and do they have some doubt about the truthfulness of the Prophet ﷺ or about Allah's promise…
Preview. The full text opens with JavaScript enabled.