Beneficence
The principle of beneficence guides the ethical theory to do what is good. This primacy to "do good" makes an ethical perspective and possible solution to an ethical problem acceptable. For instance of "doing good” in the practice of medicine in which the health of an patient is bettered by treatment from a MD.
Respect for Autonomy
This means that people should have control over their lives as much as possible because they are the only people who completely understand their chosen type of lifestyle. This ethical principle is an extension of the ethical principle