Sayyiduna Abdullah bin Amr bin al-As (may Allah be pleased with them) narrates from the Messenger of Allah (peace and blessings of Allah be upon him) that he said: "The best companion in the sight of Allah is the one who is best to his companion, and the best neighbor in the sight of Allah is the one who is best to his neighbor."
Hadith Referenceالادب المفرد / كتاب الجار / 115
Hadith Gradingالألبانی:صحيح
Hadith Takhrij«صحيح : أخرجه الترمذي ، كتاب البر و الصلة ، باب ماجاء فى حق الجوار : 1944 و أحمد : 6566 - الصحيحة : 103 و الحاكم فى المستدرك : 443/1 ، 101/2 و 164/4»