Teach them the word of God while they are young.
The Armor of God
…16In addition to all this, take up the shield of faith, with which you can extinguish all the flaming arrows of the evil one. 17And take the helmet of salvation and the sword of the Spirit, which is the word of God. 18Pray in the Spirit at all times, with every kind of prayer and petition. To this end, stay alert with all perseverance in your prayers for all the saints.…