1-39 (The compiler of the book narrated) that his father - may God be pleased with him - narrated that Sa’ed ibn Abdullah quoted on the authority of Ahmad ibn Aba Abdullah al-Barqy, on the authority of Muhammad ibn Ali al-Kufy, on the authority of Uthman ibn Isa, on the authority of Harun ibn Kharija’ that Aba Abdullah as-Sadiq (MGB) said,

“It is a form of humbleness to greet everyone you meet.”