“Maintain ties of kinship even if only through a greeting [salaam].”

رَسُولُ اللَّهِ صَلّی الله عَلیه و آلِه:
صِلُوا أَرْحَامَكُمْ وَ لَوْ بِالسَّلَامِ.

پيامبر خدا صلى الله عليه و آله:
صله رحم کنید، گرچه با یک سلام.
تحف العقول، ص 57

Prophet Muhammad (peace be upon him and his Household): “Maintain ties of kinship even if only through a greeting [salaam].”
Tuhaf al-Uqul, p 57