(117) بَابُ قَوْلِ الْمَعْرُوفِ
'Abdullah ibn al-Khatami reported that the Messenger of Allah,may Allah bless him and grant him peace, said, "Every act of kindness issadaqa."
Reference: Al-Adab Al-Mufrad 231
In-book reference: Book 11, Hadith 11
English translation: Book 11, Hadith 231