Kant’s moral theory is based on the moral supreme principle and the unconditional essentiality. The case being that we should act on principle that can be universally acceptable to all. The theory states that when people act in an immoral way they do so expecting others to obey the rules except themselves. The theory can be looked in the case of the principle of humanity where our acts should always be governed by the principle that we treat both ourselves and others as ends but not as a means to the end. The example can be the case when one wants to lie; the moral rule here or the maxim you are trying to convince yourself in the case should be universally acceptable.
Natural laws are different from legal laws which are expected to entail the moral issues that are in place whether is an existence of a government that recognizes them or not. Natural law has been touted as the law in existence in the content put in place by nature and hence it’s believed to be valid everywhere in the planet. The natural law general is looked as the use of reason in analysis of human character and deduction of rules that bind the moral actions. Natural laws are found to be the foundation for any other law in place and it is used when criticizing the other states but cannot critique itself. An example of natural law is the case of the change in temperature as one raises above sea level, the higher you goes the cooler it becomes.
The virtue ethics can be explained to be an instance of ethical approach that gives weight to the character of the moral agents that the resulting consequences or the rules being the basis of any ethical reasoning. Aristotle is seen to be making emotions to be largely in passive state which can be considered to be located in a metaphysical location that contrasts the passive and active, the actual and potential and also be able to distinguish the matter and form.