LIFE n.
Figuratively: The potential or animating principle, also, the period of duration, of anything that is conceived of as resembling a natural organism in structure or functions; as, the life of a state, a machine, or a book; authority is the life of government.
SOUL n. 2 definitions
nding; the seat of knowledge, as distinguished from feeling. In a more general sense, "an animating, separable, surviving entity, the vehicle of individual personal existence." Tylor. The eyes of our souls only then begin to see, when our bodily eyes are closing. Law.