(476) بَابُ مَنْ بَخِلَ بِالسَّلامِ
Abu Hurayra said, "The most miserly of people is the one who ismiserly with the greeting. The most incapable of people of people is theone who is the most incapable of supplication."
Reference: Al-Adab Al-Mufrad 1042
In-book reference: Book 42, Hadith 79
English translation: Book 42, Hadith 1042