2-6 (The compiler of the book narrated) that his father - may God be pleased with him - narrated that Ali ibn Ibrahim quoted on the authority of his father, on the authority of Al-Nawfaly, on the authority of Al-Sakoony, on the authority of Ja’far ibn Muhammad (MGB), on the authority of his father (MGB), on the authority of his forefathers (MGB), on the authority of Ali (MGB) that God’s Prophet (MGB) said,

“There are two things which cause trouble for most people: health and leisure.”