His ethical approach in following universal laws or the categorical imperative is important because it tells us to do the right thing despite what we might think or feel. We have an obligation to perform the action even if the outcome favors others rather than ourselves. For example, when my children wash their hands at dinner, they don't do it to make me happy, and they don't do it because they like it, they do it because they have a duty to do it. And yes, the result favors me. These actions are not based on emotions but on the duty to do