Sunan Abi Dawud, Book 8, Hadith 1467 (USC-MSA) ⓘ
Waki' and Ibn 'Uyainah said (explaining the meaning of taghanni): This means that the Qur'an makes a man neglect all other things, and be content with it.
حَدَّثَنَا مُحَمَّدُ بْنُ سُلَيْمَانَ الأَنْبَارِيُّ، قَالَ قَالَ وَكِيعٌ وَابْنُ عُيَيْنَةَ يَعْنِي يَسْتَغْنِي بِهِ .
also referenced under: Hadith 1472 (DarusSalam) & Hadith 1467 (Hasan)