#666 Khalid ibn Makhlad narrated to us, Abdullah ibn Ja'far narrated to us, from Ismail ibn Muhammad ibn Sa'd, from Amir ibn Sa'd, from his father, who said: "The Messenger of Allah (pbuh) used to give the greeting of peace to his right until the whiteness of his cheek could be seen, then he would give the greeting of peace to his left until the whiteness of his cheek could be seen."