صِلَةُ الأرْحامِ تُحَسِّنُ الْخُلُقَ وتُسَمِّحُ الْکَفَّ وتُطَیِّبَ النَّفْسَ، وتَزِیدُ فی الرِّزْقِ وتُنْسِئُ فی الأجَلِ. Observing ties of kinship leads to good manners, generosity, purity of soul, increase of daily bread, and delay of death.
Al-Kafi, vol. 2, page 152
Imam Muhammad ibn Ali Al-Baqir (peace be upon him)Hadith