The soul is something which contains the body. The body doesn't contain the soul. The soul, if we put it into modern language, is the entire complex of relationships in whose context this organism exists.
Whose property is my body? Probably mine. I so regard it. If I experiment with it, who must be answerable? I, not the State. If I choose injudiciously, does the state die? Oh, no.
Live contemplating the body. Contemplate internally and externally. Contemplate the origination of things in the body. Contemplate the dissolution of things in the body.
ROSENCRANTZ My lord, you must tell us where the body is, and go with us to the king. HAMLET The body is with the king, but the king is not with the body. The king is a thing - GUILDENSTERN A thing my lord? HAMLET Of nothing. Bring me to him. Hide fox, and all after!