It is narrated from Sayyiduna Abdullah bin Amr bin al-As (may Allah be pleased with them) that he said: The greatest liar is the one who swears a false oath, and in reality, the miser is the one who is miserly in greeting (salam), and the greatest thief is the thief of prayer.
Hadith Referenceالادب المفرد / كتاب السلام / 1041
Hadith Gradingالألبانی:ضعيف الإسناد موقوفًا
Hadith Takhrij«ضعيف الإسناد موقوفًا : تفرد به المصنف بهذه التمام»
Explanation & Benefits
Shaykh Maulana Usman Muneeb
Benefits and Issues: The chain of narration of the mentioned report is weak; in its chain, Fudayl bin Sulayman is weak due to being frequently mistaken. However, the last two statements are authentically established through other routes.
Source: Fadlullah al-Ahad: Urdu Commentary on al-Adab al-Mufrad, Page: 1041