ON THE SUBJECT OF 163 PRAISING THE DECEASED; WITNESSING THE CHARACTER OF THE DECEASED H 963 "Some Companions of the Prophet, praise and peace be upon him, passed a funeral and praised the person who had died, upon which the Prophet said, 'It has become incumbent.' Then they passed another funeral and spoke ill of the person who had died and the Prophet, praise and peace be upon him, said, 'It has become incumbent.' Omar son of Khattab inquired from the Prophet, praise and peace be upon him, 'What has become incumbent?' He answered, 'The one you praised, Paradise has become incumbent for him. As for the other of whom you spoke ill the Fire has become incumbent for him. You are the witnesses of Allah upon the earth.'" R 963 Bukhari and Muslim with a chain up to Anas who related that the Prophet, praise and peace be upon him, said this.
باب ثناء الناس عَلَى الميت 950- عن أنسٍ رضي الله عنه ، قَالَ : مَرُّوا بِجَنَازَةٍ ، فَأَثْنَوْا عَلَيْهَا خَيْراً ، فَقَالَ النبيُّ صلى الله عليه وآله وسلم : "وَجَبَتْ" ثُمَّ مَرُّوا بِأُخْرَى ، فَأثْنَوْا عَلَيْهَا شَرّاً ، فَقَالَ النبي صلى الله عليه وآله وسلم : "وَجَبَتْ" ، فَقَالَ عمر بن الخطاب رضي الله عنه : مَا وَجَبَت ؟ فَقَالَ : "هَذَا أثْنَيْتُمْ عَلَيْهِ خَيْراً ، فَوَجَبتْ لَهُ الجَنَّةُ ، وهَذَا أثْنَيْتُمْ عَلَيْهِ شَرّاً ، فَوَجَبَتْ لَهُ النَّار ، أنْتُمْ شُهَدَاءُ اللهِ في الأَرضِ" متفقٌ عَلَيْهِ .