Surah 2:97
"Say: ‘Whoever is an enemy to Gabriel – surely he has brought it down on your heart by the permission of God, confirming what was before it, and as a guidance and good news to the believers."
Bringer of Revelation: Gabriel or the Holy Spirit
Opposing Verses
Surah 16:102 → "Say: ‘The holy spirit has brought it down from your Lord in truth, to make firm those who believe, and as a guidance and good news for those who submit.’"
The Quran contains varying statements regarding the entity that delivered the revelation to the Prophet. Some verses state that the Holy Spirit brought the revelation down, while other verses specify that Gabriel brought it down to the Prophet's heart.