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Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
suyuti:15698a –
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السيوطي:١٥٦٩٨a –

"عَلَيكُمْ بِالْحُزْنِ فَإِنَّهُ مِفْتاحُ الْقَلْب قالُوا يَا رسُول اللهِ: وَكَيفَ الْحُزْنُ؟ قال: أجيِعُوا أنْفُسَكُمْ بالْجُوعِ وأظْمئُوهَا".  

[طب] الطبرانى في الكبير عن ابن عباس

See similar narrations below:

Collected by Ṭabarānī
tabarani:11694 – Jbrwn b. ʿĪsá > Yaḥyá b. Sulaymān al-Ḥafrī > Fuḍayl b. ʿIyāḍ > Manṣūr > ʿIkrimah > Ibn ʿAbbās

[Machine] The Messenger of Allah ﷺ said: "Upon you is grief, for it is the key to the heart." They said, "O Messenger of Allah, how can we experience grief?" He said, "Make yourselves hungry and thirsty."  

الطبراني:١١٦٩٤ – حَدَّثَنَا جبرونُ بْنُ عِيسَى ثنا يَحْيَى بْنُ سُلَيْمَانَ الْحَفْرِيُّ ثنا فُضَيْلُ بْنُ عِيَاضٍ عَنْ مَنْصُورٍ عَنْ عِكْرِمَةَ عَنِ ابْنِ عَبَّاسٍ

أَنَّ رَسُولَ اللهِ ﷺ قَالَ «عَلَيْكُمْ بِالْحُزْنِ فَإِنَّهُ مِفْتَاحُ الْقَلْبِ» قَالُوا يَا رَسُولَ اللهِ كَيْفَ الْحُزْنُ؟ قَالَ «أَجِيعُوا أَنْفُسَكُمْ بِالْجُوعِ وأَظْمِئُوها»