'The Weighing of the Heart', c13th century BC, (1915). In Ancient Egyptian mythology, Maat refers to the concepts of truth, balance, order, harmony, law, morality, and justice. Papyrus of Ani from the Book of the Dead. Ani and his wife Tutu are judged in the afterlife. Ammut will devour Ani's soul if he is unworthy, while Thoth prepares to record the verdict. From "The Myths of Ancient Egypt", by Lewis Spence. [George G. Harrap & Co. Ltd., London, 1915]