Psychological egoism is the theory that all our actions are basically motivated by self-interest. It is a view endorsed by several philosophers, among them Thomas Hobbes and Friedrich Nietzsche, and has played a role in some game theory. Why think that all our actions are self-interested?
Psychological egoism claims that humans are self-interested by nature, whether they know it or not. On the other hand, ethical egoism argues that humans are morally obligated and ought to act in their own individual self-interest. What is an example of psychological egoism? A contemporary exampl...
Psychological hedonism, in philosophical psychology, the view that all human action is ultimately motivated by desires for pleasure and the avoidance of pain. It has been espoused by a variety of distinguished thinkers, including Epicurus, Jeremy Bentham