Hadithcore
Riyad as-Salihin, 430

Ibn 'Abbas (May Allah be pleased with them) reported:

Messenger of Allah (ﷺ) said, "Any Muslim dies and forty men who do not associate anything with Allah (in worship), perform his funeral prayer, Allah makes them intercede for him". <b>[Muslim]</b>

وعن ابن عباس، رضي الله عنهما، قال‏:‏ سمعت رسول الله، صلى الله عليه وسلم، يقول‏:‏ ‏

‏ما من رجل مسلم يموت فيقوم على جنازته أربعون رجلاً لا يشركون بالله شيئاً إلا شفعهم الله فيه‏

‏‏.‏ ‏(‏‏(‏رواه مسلم‏)‏‏)‏‏.‏

References1 variant
In-Book Reference
Introduction, Hadith 430
Sharh · explanationclick to expand
<b>Guidance from the Hadith:</b><br> 1) It establishes intercession by the believers, if the deceased is entitled to that. Their intercession for him is that Allah Almighty forgives his sins.<br> 2) It encourages increasing the number of participants in the funeral prayer in hope that the deceased would be forgiven, out of Allah’s grace.<br> 3) It shows the merit of Tawhid and its people and the disavowal of polytheism and its people.
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