"You can’t make a living out of fiction writing. You can’t and you shouldn’t. I always tell everyone that is a huge mistake, because I have seen many writers get lost because of that. Novels should be an area of total freedom. It is already difficult to fight against the market pressure, against the pressure from your friends, your family, your editors, against the pressure of your own ambitions. All of that is already a fight. If you also have to earn money to pay for the mortgage, it’s fatal."
January 1, 1970
https://en.wikiquote.org/wiki/Rosa_Montero