Surah Al-Hadid, Verse 27
ثُمَّ قَفَّيْنَا عَلَىٰٓ ءَاثَٰرِهِم بِرُسُلِنَا وَقَفَّيْنَا بِعِيسَى ٱبْنِ مَرْيَمَ وَءَاتَيْنَٰهُ ٱلْإِنجِيلَ وَجَعَلْنَا فِى قُلُوبِ ٱلَّذِينَ ٱتَّبَعُوهُ رَأْفَةًۭ وَرَحْمَةًۭ وَرَهْبَانِيَّةً ٱبْتَدَعُوهَا مَا كَتَبْنَٰهَا عَلَيْهِمْ إِلَّا ٱبْتِغَآءَ رِضْوَٰنِ ٱللَّهِ فَمَا رَعَوْهَا حَقَّ رِعَايَتِهَا ۖ فَـَٔاتَيْنَا ٱلَّذِينَ ءَامَنُوا۟ مِنْهُمْ أَجْرَهُمْ ۖ وَكَثِيرٌۭ مِّنْهُمْ فَٰسِقُونَ
Translation — Sahih International
Then We sent following their footsteps Our messengers and followed [them] with Jesus, the son of Mary, and gave him the Gospel. And We placed in the hearts of those who followed him compassion and mercy and monasticism, which they innovated; We did not prescribe it for them except [that they did so] seeking the approval of Allah. But they did not observe it with due observance. So We gave the ones who believed among them their reward, but many of them are defiantly disobedient.
Source
Kur'an-ı Kerim, Hadîd Suresi 57:27
https://kuran.diyanet.gov.tr/mushaf/kuran-meal-2/57-suresi-27-ayet