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Grade : Sahih (Abu Ghuddah)
أَخْبَرَنَا وَهْبُ بْنُ بَيَانٍ، قَالَ حَدَّثَنَا ابْنُ وَهْبٍ، قَالَ أَخْبَرَنِي يُونُسُ، قَالَ قَالَ ابْنُ شِهَابٍ حَدَّثَنِي سَالِمُ بْنُ عَبْدِ اللَّهِ، عَنْ أَبِيهِ، قَالَ سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم رَافِعًا صَوْتَهُ يَأْمُرُ بِقَتْلِ الْكِلاَبِ فَكَانَتِ الْكِلاَبُ تُقْتَلُ إِلاَّ كَلْبَ صَيْدٍ أَوْ مَاشِيَةٍ .
Salim bin 'Abdullah narrated that his father said:"I heard the Messenger of Allah raise his voice with the command to kill dogs. All dogs were to be killed except dogs used for hunting or herding livestock
"When a person dies, his works end, except for three: ongoing charity, knowledge that is benefited from, and a righteous child who prays for him."
Prophet Mohammed (PBUH)
"The best of what a man leaves behind are three: a righteous child who supplicates for him, ongoing charity the reward of which reaches him, and knowledge that is acted upon after him."
Sunan Ibn Mājah
"Every day two angels come down from Heaven and one of them says, 'O Allah! Compensate every person who spends in Your Cause,' and the other (angel) says, 'O Allah! Destroy every miser.'"
Sahih Bukhari