Spiritual Counsels of the Blessed Elder Thaddeus of Serbia +2002

"The spirits of evil interfere with children's minds ... and try to disturb them. A child should be taught obedience, especially before the 5th year; because that is the period in which the child's character develops. In this manner, learned character traits remain for the rest of the child's life. Parents should teach their children absolute obedience during that period. When a parent says something, the answer should be, 'Amen.' But today, unfortunately, parents do not know this, and teach their children quite the opposite. And so they grow up ..."