IBNHIBBAN 2020:
from Muʿādh b. Jabal —
[Machine] "The Messenger of Allah ﷺ took Mu'adh by the hand and said, 'O Mu'adh, by Allah, I love you.' Mu'adh replied, 'By my father and mother, O Messenger of Allah, I love you.' The Prophet then said, 'O Mu'adh, I advise you not to neglect after every prayer to say: Allahumma a'inni 'ala dhikrika wa shukrika wa husni 'ibadatik (O Allah, help me to remember You, to thank You, and to worship You in the best way).'"
ابن حبّان ٢٠٢٠:
عن معاذ بن جبل —
أَنَّ رَسُولَ اللَّهِ ﷺ أَخَذَ بِيَدِ مُعَاذٍ فَقَالَ «يَا مُعَاذُ وَاللَّهِ إِنِّي لَأُحِبُّكَ» فَقَالَ مُعَاذٌ بِأَبِي أَنْتَ وَأُمِّي وَاللَّهِ إِنِّي لَأُحِبُّكَ فَقَالَ «يَا مُعَاذُ أُوصِيكَ أَنْ لَا تَدَعَنَّ فِي دُبُرِ كُلِّ صَلَاةٍ أَنْ تَقُولَ اللَّهُمَّ أَعِنِّي عَلَى ذِكْرِكَ وَشُكْرِكَ وَحُسْنِ عِبَادَتِكَ»
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