According to the Quran and classical Islamic scholarship, Prophet Yunus ibn Matta (Jonah) is a revered messenger of Allah sent to the idolatrous people of Nineveh. His story, detailed in Surah As-Saffat and other passages, serves as a profound divine lesson on the interplay between human fallibility and divine mercy. After becoming disheartened by his people's initial rejection, Yunus departed from his mission in anger, an act for which he was held blameworthy. His subsequent trial—being swallowed by a great fish—led to one of the most powerful supplications in Islam. From the depths of darkness, his sincere prayer, 'La ilaha illa anta, subhanaka, inni kuntu minaz-zalimin' (There is no deity except You; exalted are You. Indeed, I have been of the wrongdoers), became a symbol of perfect repentance. Classical commentators like Ibn Kathir explain that Yunus's salvation and the subsequent belief of his entire nation—a unique event in prophetic history—stand as an ultimate testament to the power of sincere repentance (Tawbah) and Allah's boundless forgiveness.