The most important job in the world is being a parent. There are no certificates given for it, no basic instruction booklet spanning a child's life. Many have written books of suggestions; but there is no single book that gives all the answers. Dr Spock was a widely known expert for giving advice to parents regarding handling babies and infants. He informed them about what to expect at various stages in their child's life. However, since his passing, he and his theories are not as well known any more. Yet parenting is still the most important task one could undertake. Its influence lives beyond the mortality of the parent; and it's their natural legacy, whether for good or for bad.
Psychologists tend to blame parents for most things that happen in a child's life, even when that child becomes an adult. An important question often asked of a patient by a psychologist is: "Tell me about your childhood," with focus on the role of their parents. Whether rich or poor; whether known to the child or unknown, every human being has parents who have the potential to produce a world leader or a criminal, and they have influence over both categories. The measure of a good parent is always love. It's like a spiritual umbilical chord that lives beyond the grave.
The one book that over centuries has proved to be the most important reference book for parents is the Bible. It contains many stories of good and evil and the outcome of both. It gives us all a "Father who art in heaven" and his son, Jesus, whose mother was devoted to him, as many mothers today strive to be dedicated to their children. One doesn't need a college education in order to be a good parent. All one needs is love, and that has been given to each of us by our "Father who art in heaven" on the day that we were born.