It is narrated from Sayyiduna Ka'b bin Malik (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) was asked: Who is the best of people? He (peace and blessings be upon him) said: "A believer who is between two honourable, righteous people."
Hadith Referenceالمعجم الكبير للطبراني / باب الكاف / 16215