The education of youth belongs to the priests, yet they do not take so much care of instructing them in letters, as in forming their minds and manners aright; they use all possible methods to infuse, very early, into the tender and flexible minds of children, such opinions as are both good in themselves and will be useful to their country, for when deep impressions of these things are made at that age, they follow men through the whole course of their lives, and conduce much to preserve the peace of the government, which suffers by nothing more than by vices that rise out of ill opinions.