J. Marshall, A Short History of Greek Philosophy
“ But the Soul or Vital principle corresponds rather with the function of sight, or the capacity for cutting which {207} the axe has, the body, on the other hand, standing in a relation of potentiality to it. Now just as the eye may mean both the actual organ or pupil, and also the function of sight, so also the living creature means both the body and the soul. We cannot, therefore, think of body apart from soul, or soul apart from body. ”
