4-120 (The compiler of the book narrated) that his father - may God be pleased with him - narrated that Muhammad ibn Yahya al-Attar quoted Abi Ishaq Ibrahim ibn Hashim, on the authority of Abdullah ibn al-Hussein ibn Zayd ibn Ali ibn al-Hussein ibn Ali Abi Talib, on the authority of his father, on the authority of his forefathers, on the authority of Ali (MGB),

“God’s Prophet (MGB) ordered us to bury the following four things: hair, teeth, nails and blood.”