Not only that, but 'Let him who is without sin' is an utterly useless guideline, only popular because everyone already agreed the woman shouldn't be stoned to d

Not only that, but 'Let him who is without sin' is an utterly useless guideline, only popular because everyone already agreed the woman shouldn't be stoned to death for adultery. Try applying it to a child murderer. In this light, the advice turns out to be little more than "show mercy to people you think deserve it". I suppose telling people what they want to hear has always been popular...