Joseph, through trials not of his making, brought great honor and fame to his family's name while the prodigal son (even though eventually reconciled), through his own choices, only dishonored his Father's name during his time in the far-off city. Children are precious, and should be given every instruction to make sure that, when they are tested by the world (as they most certainly will be), they will be able to withstand whatever is thrown at them by applying simple, scriptural truths that they know to be true.