Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) narrates: The Prophet (peace and blessings be upon him) said: "Whoever does not show mercy is not shown mercy."
Al-Tabarani recorded it with two chains, and one of them is hasan (good).
Al-Bazzar recorded it.
(Allamah al-Haythami says:) I say: Some sahih hadiths on this subject have already passed in the Book of Righteousness and Maintaining Family Ties, in the chapter on mercy.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب التوبة / 17479
Hadith Gradingمحدثین:إسنادہ حسن
Hadith Takhrij«اخرجه الطبراني فى المعجم الكبير (13488) ، أخرجه المعجم الكبير للطبراني برقم: 13488»