Onan was killed because his action of contraception had far reaching effects and consequences. His action attacked God s plan for life. Children were supposed to be born who were not born. We see from this account that contraception thwarts God s plan for life and that God repudiates contraception. Children enrich the parents, making them less selfish.
Children become adult inventors that solve the world s problems.
Children become adult apostles to proclaim the Word. Large populations raise the standard of living by providing a wide variety of goods and services. Also, these services are provided at a lower cost per person. For example, a small town with a population of 1000 people cannot afford its own water sanitation plant. At least 100,000 people are needed.