Sahih Muslim 235
صحيح مسلم#235Sahihحَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، حَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ مَهْدِيٍّ، عَنْ شُعْبَةَ، عَنْ عَبْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ بْنِ جَبْرٍ، قَالَ سَمِعْتُ أَنَسًا، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " آيَةُ الْمُنَافِقِ بُغْضُ الأَنْصَارِ وَآيَةُ الْمُؤْمِنِ حُبُّ الأَنْصَارِ " .
It is reported on the authority of Anas that the Messenger of Allah (may peace and blessings Be upon him) observed:The sign of a hypocrite is the hatred against the Ansar and the sign of a believer is the love for the Ansar
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:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 1:141