Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
abudawud:1472Muḥammad b. Sulaymān al-Anbārī

This means that the Qur'an makes a man neglect all other things, and be content with it.  

أبو داود:١٤٧٢حَدَّثَنَا مُحَمَّدُ بْنُ سُلَيْمَانَ الأَنْبَارِيُّ قَالَ قَالَ

وَكِيعٌ وَابْنُ عُيَيْنَةَ يَعْنِي يَسْتَغْنِي بِهِ