One does not argue from preferences, beliefs or principles but from truth or fal

One does not argue from preferences, beliefs or principles but from truth or falsehood, possibility or impossibility, gain or loss, volition or non-volition, reciprocity or non-reciprocity. Arguing to preference, belief or principle is just an admission of ignorance and incompetence – meaning one should not impose the costs of incompetence and ignorance upon others and merely remain silent.