Concealed education and open education are paratactic, recursive, interchangeable, they exclude and supplement each other, concealed moral education depends on its long thought and theory sources.

• 隐性德育与显性德育存在并列关系、递进关系、转换关系、互补关系和逆反关系。隐性德育有着广博和悠长的思想来源和理论来源。