Ill-digested principles are, if anything, worse than ill-digested food, for the latter harms the body and there is cure for it, whereas the former ruins the soul and there is no cure for it.
Superstitions are all materialism, because they are all based on the consciousness of body, body, body. No spirit there. Spirit has no superstitions - it is beyond the vain desires of the body.
I am not so foolish as to declaim against forms. Forms are as essential as bodies; but to exalt particular forms, to adhere to oneform a moment after it is outgrown, is unreasonable, and it is alien to the spirit of Christ.
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!