need to take certain precautions to protect yourself against those who press
You have only to lay a spell upon yourself night and morning. Nothing can
get through that wall—nothing which you forbid your soul to entertain.
Do not let any of your energy be sucked out of you by these larvæ of the
astral world. No, they cannot annoy me, for I am now used to the idea of them.
You have absolutely nothing to fear, if you protect yourself.