Hadithcore
Riyad as-Salihin, 1060

Abu Sa'id Al-Khudri (May Allah be pleased with him) reported:

The Messenger of Allah (ﷺ) said, "When you see a man frequenting the mosque, testify that he is a believer because Allah says: 'Allah's mosques are visited only by those who believe in Allah and the Last Day."' <b>[At-Tirmidhi]</b>.

وعن أبي سعيد الخدري رضي الله عنه عن النبي صلى الله عليه وسلم قال‏:‏ ‏"‏إذا رأيتم الرجل يعتاد المساجد فاشهدوا له بالإيمان، قال الله عز وجل ‏{‏إنما يعمر مساجد الله من آمن بالله واليوم الآخر‏}‏ ‏(‏‏(‏الآية‏.‏ رواه الترمذي وقال حديث حسن‏)‏‏)‏‏.‏

References1 variant
In-Book Reference
Book 8, Hadith 70
Sharh · explanationclick to expand
<b>Guidance from the Hadith:</b><br> 1) Attending congregational prayers on a regular basis is a sign of true faith.<br> 2) The testimony by the believers for a particular person is a proof that he is righteous, for the believers are the witnesses of Allah on earth.
Related hadiths1
Compare isnād across 1 related chains →