Sunan Abi Da'ud · Hadith 1472
Detailed Injunctions about Witr - كتاب الوتر
حدثنا محمد بن سليمان الأنباري، قال قال وكيع وابن عيينة يعني يستغني به .
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.
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).