Sahih Muslim Book - 5, Hadith - 1487

حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِى شَيْبَةَ حَدَّثَنَا مُحَمَّدُ بْنُ بِشْرٍ الْعَبْدِىُّ حَدَّثَنَا زَكَرِيَّاءُ بْنُ أَبِى زَائِدَةَ حَدَّثَنَا عَبْدُ الْمَلِكِ بْنُ عُمَيْرٍ عَنْ أَبِى الأَحْوَصِ قَالَ قَالَ عَبْدُ اللَّهِ لَقَدْ رَأَيْتُنَا وَمَا يَتَخَلَّفُ عَنِ الصَّلاَةِ إِلاَّ مُنَافِقٌ قَدْ عُلِمَ نِفَاقُهُ أَوْ مَرِيضٌ إِنْ كَانَ الْمَرِيضُ لَيَمْشِى بَيْنَ رَجُلَيْنِ حَتَّى يَأْتِىَ الصَّلاَةَ - وَقَالَ - إِنَّ رَسُولَ اللَّهِ -صلى الله عليه وسلم- عَلَّمَنَا سُنَنَ الْهُدَى وَإِنَّ مِنْ سُنَنِ الْهُدَى الصَّلاَةَ فِى الْمَسْجِدِ الَّذِى يُؤَذَّنُ فِيهِ.

It was narrated that Abu Al-Ahwas said: "'Abdullah said: 'I remember when no one stayed away from the prayer except a hypocrite who was known for his hypocrisy, or one who was sick. But even a sick person would walk between two men and come to prayer. The Messenger of Allah (s.a.w) taught us the Sunnah of guidance, and one of the Sunnah of guidance is praying in the Masjid in which the Adhan is called."'