Kant is the philosopher who changed it because in the beginning it meant that God can determine what is right and what is wrong, but Kant did not believe in God so he developed this theory . (James' Notes, 2015). In deontological ethics an action is considered morally good because of some characteristic of the action itself, not because the product of the action is good. Deontological ethics holds that at least some acts are morally obligatory regardless of their consequences for human well-being. (The editors of the Encyclopedia Britannica, deontological ethics). Kant argued that people should always do the right thing regardless of the consequences because people always know what is right and what is wrong so they make the right choice, however Kant noted that it is not enough to believe that you are doing something right because you have intuition so you are following it. Duties and obligations do not have to be subjective. In deontological ethics there is no room for subjective feelings, which is why we must be as objective as possible. It seems that this philosophy is ambiguous because many problems in the world such as corruption, fraud, robbery etc. they can be justified with this fact by saying that they have the reason to do a good deed, so it is really important to be