The Four Back-Breaking Things

4-24 Muhammad ibn Ali ibn ash-Shah narrated that Abu Hamid quoted Abu Yazid, on the authority of Muhammad ibn Ahmad ibn Salih al-Tamimy, on the authority of his father, on the authority of Anas ibn Muhammad Abu Malik, on the authority of his father, on the authority of Ja’far ibn Muhammad as-Sadiq (MGB), on the authority of his father (MGB), on the authority of his grandfather (MGB), on the authority of Ali ibn Abi Talib (MGB) that in his will to Ali (MGB) God’s Prophet (MGB) said, “