Sahih al-Bukhari 5986

Arabic

حَدَّثَنَا يَحْيَى بْنُ بُكَيْرٍ، حَدَّثَنَا اللَّيْثُ، عَنْ عُقَيْلٍ، عَنِ ابْنِ شِهَابٍ، قَالَ أَخْبَرَنِي أَنَسُ بْنُ مَالِكٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏ "‏ مَنْ أَحَبَّ أَنْ يُبْسَطَ لَهُ فِي رِزْقِهِ، وَيُنْسَأَ لَهُ فِي أَثَرِهِ، فَلْيَصِلْ رَحِمَهُ ‏"‏‏.‏

English translation

Narrated Anas bin Malik:Allah's Apostle said, "Whoever loves that he be granted more wealth and that his lease of life be prolonged then he should keep good relations with his Kith and kin

Reference: Sahih al-Bukhari 5986, Book of Good Manners and Form (Al-Adab). English translation by Dr. Muhammad Muhsin Khan.