Surah Al-Baqarah, Verse 97

قُلۡ مَن كَانَ عَدُوّٗا لِّـجِبۡرِيلَ فَإِنَّهُۥ نَزَّلَهُۥ عَلَىٰ قَلۡبِكَ بِإِذۡنِ ٱللَّهِ مُصَدِّقٗا لِّمَا بَيۡنَ يَدَيۡهِ وَهُدٗى وَبُشۡرَىٰ لِلۡمُؤۡمِنِينَ٩٧

qul man kāna ʿaduwwan lijib'rīla fa-innahu nazzalahu ʿalā qalbika bi-idh'ni l-lahi muṣaddiqan limā bayna yadayhi wahudan wabush'rā lil'mu'minīna

Say, "Whoever is an enemy to Gabriel - it is [none but] he who has brought it [i.e., the Qur’ān] down upon your heart, [O Muḥammad], by permission of Allāh, confirming that which was before it and as guidance and good tidings for the believers."