And it is narrated with the previous chain that the Prophet (peace be upon him) said: When you see a person accustomed to coming to the mosque, then bear witness to his faith, because Allah Almighty says: Only those maintain the mosques of Allah who believe in Allah and the Last Day.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 11725
Hadith Gradingحکم دارالسلام:إسناده ضعيف، وهو إسناد الحديث رقم : 11717