Though pressed often with the duties of his mission on earth, he had time for the children. When the disciples wanted to send the parents and little children away, Jesus was displeased. God has placed a sacred trust in the hands of parents. The Lord's charge to physical Israel is appropriate for spiritual Israel. Notice that ways is plural.
Most parents are diligent to see that our children are well educated, healthy and adjusted socially.
Reading, writing and arithmetic are important but not nearly as important as correct religious training. We now know that babies can know about God. Our cradle roll classes prove this beyond a shadow of doubt. We further know that a babe in the womb learns the comfort of mother's voice, and the soothing sound of music. At the earliest possible age.