Obviously one must hold oneself responsible for the evil impulses of one's dreams. In what other way can one deal with them? Unless the content of the dream rightly understood is inspired by alien spirits it is part of my own being.
If someone decides to be a musician now it means because there is no hope of money at the end of it it means they really want to be a musician. And if someone is writing now there is no hope for money at the end of it.
