In its simplest form, the categorical imperative states tha…

In its simplest form, the categorical imperative states that you should "act only according to that maxim whereby you can, at the same time, will that it should become a universal law." In other words, before taking an action, ask yourself: "What if everyone did this?" If the universalization of your action would create a contradiction or an unworkable situation, then the action is morally wrong.