Quotation by Amy Laura Dombro

It's not appropriate to punish children under three, because they really can't evaluate or control their own actions very well....To be able to follow rules, to discipline herself, a child has to understand not only the rule, but the ideas behind it. She has to be able to recognize similar but not identical situations where the same rule applies. She has to have enough self-control to stop herself from acting on impulses (a separate problem from knowing she shouldn't do something).