Waki and Ibn Uyainah said (explaining the meaning of taghanni): This means that the Quran makes a man neglect all other things, and be content with it.
Hadith Referenceسنن ابي داود / كتاب تفريع أبواب الوتر / 1472
Hadith Gradingالألبانی:صحيح مقطوع | زبیر علی زئی:إسناده صحيح