Sunan Abi Dawud 2632
سنن أبي داود#2632Sahihحَدَّثَنَا نَصْرُ بْنُ عَلِيٍّ، أَخْبَرَنَا أَبِي، حَدَّثَنَا الْمُثَنَّى بْنُ سَعِيدٍ، عَنْ قَتَادَةَ، عَنْ أَنَسِ بْنِ مَالِكٍ، قَالَ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم إِذَا غَزَا قَالَ " اللَّهُمَّ أَنْتَ عَضُدِي وَنَصِيرِي بِكَ أَحُولُ وَبِكَ أَصُولُ وَبِكَ أُقَاتِلُ " .
Narrated Anas ibn Malik: When the Messenger of Allah (ﷺ) went on an expedition, he said: O Allah, Thou art my aider and helper; by Thee I move, by Thee I attack, and by Thee I fight
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiDaif
In-book reference: 15:156