Jami at-Tirmidhi 2618
Jami at-Tirmidhi · Book 40: The Book on Faith · What Has Been Related About Abandoning The Salat
Narrated Jabir:
حَدَّثَنَا قُتَيْبَةُ ، حَدَّثَنَا جَرِيرٌ ، وَأَبُو مُعَاوِيَةَ عَنِ الأَعْمَشِ ، عَنْ أَبِي سُفْيَانَ ، عَنْ جَابِرٍ ، أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ " بَيْنَ الْكُفْرِ وَالإِيمَانِ تَرْكُ الصَّلاَةِ " .
that the Prophet (ﷺ) said: "Between disbelief and faith is abandoning the Salat."
Grade: Sahih (Darussalam)