Anonymous, The Senses and the Mind
“ We are sensible of the position of our limbs; we know that the arms hang by the sides, or that they are raised and held out, although we touch nothing and see nothing. It must be a property internal to the frame by which we thus know the position of the members of our body; and what can it be but a [140] consciousness of the degree of action, and of the adjustment of the muscles? ”
