Jami` at-Tirmidhi 218
جامع الترمذي#218Da'ifقَالَ مُجَاهِدٌ وَسُئِلَ ابْنُ عَبَّاسٍ عَنْ رَجُلٍ، يَصُومُ النَّهَارَ وَيَقُومُ اللَّيْلَ لاَ يَشْهَدُ جُمُعَةً وَلاَ جَمَاعَةً قَالَ هُوَ فِي النَّارِ . قَالَ حَدَّثَنَا بِذَلِكَ هَنَّادٌ حَدَّثَنَا الْمُحَارِبِيُّ عَنْ لَيْثٍ عَنْ مُجَاهِدٍ . قَالَ وَمَعْنَى الْحَدِيثِ أَنْ لاَ يَشْهَدَ الْجَمَاعَةَ وَالْجُمُعَةَ رَغْبَةً عَنْهَا وَاسْتِخْفَافًا بِحَقِّهَا وَتَهَاوُنًا بِهَا .
Mujahid said:"Ibn Abbas was asked about a man who fasted during the day and stood (in prayers) during the night, but he did not attend the Friday prayer nor congregational prayer. He replied: 'He is in the Fire
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:
In-book reference: 2:70