As night looks delightful when the moon shines, so a family gladdened by even one learned and virtuous son. What is the use of having many sons if they cause grief and vexation? It is better to have only one son from whom the whole family can derive support and peacefully ness. Fondle a son until he is five years of age, and use the stick for another ten years, but when he has attainted his sixteenth year treat him as a friend.