Ethics: The rules of conduct recognised in respect to a particular class of human actions or a particular group, culture, etc. It defines how thing are according to the rules.

Morals: Principles or habits with respect to right or wrong conduct.It defines how things should work according to an individuals' ideals and principles.

The term “Morals” in contemporary usage often has a much more religious connotation than ethics. A moralist would be a type of preacher while an ethicist would be someone who is simply engaged in a decision making process, perhaps morally bound, but perhaps not.

An example: A defense attorney might observe a technical error on the part of the prosecutor in a case. The defense attorney is bound by his professional code of ethics to use that error to the benefit of his client. His personal morals might be repelled at the thought that this client, whom he personally knows to be guilty, will not bear the consequences of his crime. The ethicist will tell him that he makes the right decision in seeking what is best for his client. The moralist will tell him that he has sinned.

Another way to look at moral and ethics are that both are codified on a set of values, either of the group (morals) or the individual (ethics) if you go back to the Greek traditions of it. Your ethics may not be my ethics because we have different values, but we both have similar morals because we belong to a larger society.