Sunan an-Nasa'i al-Kubra 11829

ʿAmr b. ʿAlī > ʿAbd al-Raḥman b. Mahdī > Sallām b. Abū Muṭīʿ > Abū ʿImrān al-Jawnī > Jundub

Recite the Qur'an as long as your hearts agree to do so, and when you feel variance between them (between your hearts and tongues), then get up (and leave its recital for the time being).

عَنْ عَمْرو بْنِ عَلِيٍّ عَنْ عَبْدِ الرَّحْمَنِ بْنِ مَهْدِيٍّ عَنْ سَلَّامِ بْنِ أَبِي مُطِيعٍ عَنْ أَبِي عِمْرَانَ الْجَوْنِيِّ عَنْ جُنْدُبٍ قَالَ

قَالَ رَسُولُ اللهِ ﷺ «اقْرَءُوا الْقُرْآنَ مَا ائْتَلَفَتْ عَلَيْهِ قُلُوبُكُمْ فَإِذَا اخْتَلَفْتُمْ عَلَيْهِ فَقُومُوا»