"All can do something. In an effort to excuse themselves, some say: “My home duties, my children, claim my time and my means.” Parents, your children should be your helping hand, increasing your power and ability to work for the Master. Children are the younger members of the Lord's family. They should be led to consecrate themselves to God, whose they are by creation and by redemption. They should be taught that all their powers of body, mind, and soul are His. They should be trained to help in various lines of unselfish service. Do not allow your children to be hindrances. With you the children should share spiritual as well as physical burdens. By helping others they increase their own happiness and usefulness. 7T 63.1"
"What? know ye not that your body is the temple of the Holy Ghost which is in you, which ye have of God, and ye are not your own? For ye are bought with a price: therefore glorify God in your body, and in your spirit, which are God’s."
The EGW passage directly echoes the principle of dedicating one's body and spirit (including children) to God, as stated in 1 Corinthians 6:19-20. It expands on the practical implications of this dedication within the family context.