Those who have a natural talent for calculation are generally quick-witted at every other kind of knowledge; and even the dull, if they have had an arithmetical training, although they may derive no other advantage from it, always become much quicker than they would have been.
PlatoThe judge should not be young, he should have learned to know evil, not from his own soul, but from late and long observation of the nature of evil in others.
Plato