If you cannot quiet your child enough to speak to him, remove him and yourself and speak to him later. Make Discipline Age-Appropriate Make a study of child development and become familiar with what is acceptable behaviour for your child's age group. When punishment is necessary, make it suitable for your child's age group. As far as possible, let discipline be as closely matched to natural consequences as possible. So the teenager who hasn't done her homework does not need to be punished.
Children learn by example - that is a fact.
They are also more likely to model behaviour on their same sex parent. So if Dad yells at Mum or even worse, then it would be difficult to expect the son to speak to his Mum politely - or his female teacher. If you want your child to go to church - make sure you go regularly, etc. This is not always easy, but it remains one of the most essential things to do. Children need supervision and the younger the child the more important this is.