Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
suyuti:7040a
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السيوطي:٧٠٤٠a

"إِنَّ لِلْقُلُوب صَدَأ كصدإِ النُّحَاسِ وَجِلاؤُهَا الاستغفارُ".  

[هب] البيهقى في شعب الإيمان عن أنس

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Collected by Suyūṭī
suyuti:7039a
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السيوطي:٧٠٣٩a

"إِنَّ لِلْقُلُوبِ صَدَأ كصَدَإِ الحديدِ، وجِلاؤُها الاستغفارُ".  

[عد] ابن عدى في الكامل والخطيب في المتفق والمفترق وابن عساكر عن أَنس