"Long before he can read, you can teach him to kneel by his mother’s side, and repeat the simple words of prayer and praise which she puts in his mouth. And as the first steps in any undertaking are always the most important, so is the manner in which your children’s prayers are prayed, a point which deserves your closest attention. Few seem to know how much depends on this. You must be careful that they don’t say their prayers in a hasty, careless, and irreverent manner.
Oh, dear friend, if you love your children, I charge you, do not let the early impression of a habit of prayer slip by. If you train your children to do anything, train them, at least, to have a habit of prayer.”
The Duties of Parents