It is narrated from Sayyiduna Abu Sa'id Khudri (may Allah be pleased with him), who reports from the Prophet (peace and blessings of Allah be upon him) that he said: "He who does not show mercy will not be shown mercy."
Hadith Referenceالادب المفرد / كتاب / 95
Hadith Gradingالألبانی:صحيح
Hadith Takhrij«صحيح : أخرجه الترمذي ، الزهد ، باب ما جاء فى الرياء السمعة : 2381 و أحمد : 11362 - تخريج مشكلة الفقر : 108»
It is narrated from Sayyiduna Jarir bin Abdullah Bajali (may Allah be pleased with him) that he said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Allah does not show mercy to the one who does not show mercy to people."
Hadith Referenceالادب المفرد / كتاب / 96
Hadith Gradingالألبانی:صحيح
Hadith Takhrij«صحيح : أخرجه مسلم ، الفضائل ، باب رحمته صلى الله عليه وسلم الصبيان و العيال و تواضعه و فضل ذلك : 2319 و الترمذي : 1922 و البخاري : 7376»
It is narrated from Sayyiduna Jarir bin Abdullah (may Allah be pleased with him) (through another chain) that he said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Whoever does not show mercy to people, Allah will not show mercy to him."
Narrated from Sayyidah Aisha (may Allah be pleased with her), she said: Some Bedouins came to the Prophet (peace and blessings of Allah be upon him), and one of them said: O Messenger of Allah! Do you kiss children? By Allah, we do not kiss them. The Messenger of Allah (peace and blessings of Allah be upon him) said: "What can I do if Allah has removed mercy from your heart?"
It is narrated from Sayyiduna Abu Uthman (may Allah be pleased with him) that Sayyiduna Umar (may Allah be pleased with him) appointed a man as an official. (One day) that man said: I have so many children, but I have never kissed any of them. Sayyiduna Umar (may Allah be pleased with him) said: Indeed, Allah the Exalted only has mercy on those who fulfill rights.
Hadith Referenceالادب المفرد / كتاب / 99
Hadith Gradingالألبانی:حسن
Hadith Takhrij«حسن : أخرجه عبدالرزاق : 20590 و ابن أبى الدنيا فى العيال : 255 و الدينوري فى المجالسة : 325/6 و البيهقي فى الكبرىٰ : 72/9»