Since it is something that can be taught and nurtured, is it possible that they have their sons taught everything in which there is no death Protagoras penalty for not understanding it, but when their children are faced with the death penalty or exile if they fail to learn virtue and be nurtured in it and not only death but confiscation of property and, practically speaking, complete familial catastrophe do you think they do not have them taught this or give them all the attention possible?