Narrated from Sayyidah Aisha (may Allah be pleased with her) that the Prophet (peace and blessings of Allah be upon him) said: "Gabriel continued to urge me regarding the neighbor to the extent that I thought he would surely make him (the neighbor) an heir."
Hadith Referenceالادب المفرد / كتاب الجار / 101
Hadith Gradingالألبانی:صحيح
Hadith Takhrij«صحيح : أخرجه البخاري ، الأدب ، باب الوصاة بالجار : 6014 و مسلم : 2625 و أبوداؤد : 5151 و الترمذي : 1942 و ابن ماجه : 3673 - الإرواء : 891»
It is narrated from Sayyiduna Abu Shurayh (Khuwaylid bin Amr) Khuzai, may Allah be pleased with him, that he reports from the Prophet, peace and blessings be upon him, that he said: “Whoever believes in Allah and the Last Day should treat his neighbor well. And whoever believes in Allah and the Last Day should honor his guest. And whoever believes in Allah and the Last Day should speak good or remain silent.”
Hadith Referenceالادب المفرد / كتاب الجار / 102
Hadith Gradingالألبانی:صحيح
Hadith Takhrij«صحيح : أخرجه البخاري ، الرقاق ، باب حفظ اللسان : 6476 ، 6019 و مسلم : 48 و أبوداؤد : 3748 و الترمذي : 1967 و ابن ماجه : 3672 - الإرواء : 2525»