EVEN SMALL GOOD DEEDS COUNT H 122 "Do not look down upon doing the least amount of good, even greeting your brother with a cheerful face (is a good deed)." R 122 Muslim with a chain up to Abu Dharr who related that the Prophet, praise and peace be upon him, said this.
121- الخامس : عَنْهُ ، قَالَ : قَالَ لي النَّبيّ صلى الله عليه وآله وسلم : "لا تَحْقِرنَّ مِنَ المَعرُوفِ شَيئاً وَلَوْ أنْ تَلقَى أخَاكَ بِوَجْهٍ طَليقٍ" رواه مسلم .