And if the President of the United States walked into the same English class and began speaking extemporaneously on his (or her) political views, it is not likely that anyone would object. A person has the right to go without shoes on a beach, but one does not always have the right to...
Like hunger, the pleasure of acting selfishly is easy to understand. If acting selfishly increases your chance to reproduce, it will be selected over time. Unsurprisingly, selfishness is hardwired into most animals — a byproduct of individual competition and survival of the fittest. Think of the...