Egyptian Funerary Theology: Ka, Ba, and the Weighing of the Heart

Egyptian funerary theology understood the human person as composed of several interacting, partly separable elements rather than a single unified soul, most centrally the ka and the ba, alongside the akh, the ib (heart), the shut (shadow), and the ren (name). The ka, often translated 'vital force' or 'life-double,' was believed to be created alongside the individual at birth — Egyptian art frequently depicts the ram-headed god Khnum fashioning both the child and its ka together on a potter's wheel — and to require ongoing material sustenance after death in the form of food and drink offerings left at the tomb, or, in periods and social strata where actual offerings could lapse, textual and pictorial substitutes inscribed on tomb walls that could magically sustain the ka indefinitely. The ba, by contrast, is usually depicted as a human-headed bird and represents the mobile, individualized aspect of the personality that could leave the tomb by day to revisit the world of the living, returning to reunite with the mummified body by night, a duality that required the body's careful preservation through mummification precisely so that ba and body could continue to be reunited.