I think also, that general virtue is more probably to be expected and obtained from the education of youth, than from exhortations of adult persons; bad habits and vices of the mind being, like diseases of the body, more easily prevented than cured. I think moreover, that talents for the education of youth are the gift of God; and that he on whom they are bestowed, whenever a way is opened for use of them, is as strongly called as if he heard a voice from heaven.