Griffithes Wheeler Thatcher, 1911 Encyclopædia Britannica, Volume 3… (1911)
“ Behā ud-Dīn observed that the whole soul of the monarch was engrossed by the war which he was then engaged in waging against the enemies of the faith, and saw that the only mode of acquiring his favour was by urging him to its vigorous prosecution. With this view he composed a treatise on The Laws and Discipline of Sacred War, which he presented to Saladin, who received it with peculiar favour. ”
