Sunan Abi Dawud 4812
سنن أبي داود#4812Sahihحَدَّثَنَا مُوسَى بْنُ إِسْمَاعِيلَ، حَدَّثَنَا حَمَّادٌ، عَنْ ثَابِتٍ، عَنْ أَنَسٍ، أَنَّ الْمُهَاجِرِينَ، قَالُوا يَا رَسُولَ اللَّهِ ذَهَبَتِ الأَنْصَارُ بِالأَجْرِ كُلِّهِ . قَالَ " لاَ مَا دَعَوْتُمُ اللَّهَ لَهُمْ وَأَثْنَيْتُمْ عَلَيْهِمْ " .
Narrated Anas ibn Malik: The Immigrants (Muhajirun) said: Messenger of Allah! the Helpers (Ansar) got the entire reward. He said: no, so long as you pray to Allah for them and praise them
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 43:40