Forbes contributors publish independent expert analyses and insights. Mark Travers writes about the world of psychology. Adults know well that actions have consequences, but kids might need guidance ...

On Sunday afternoon, a 28-year-old man walked into a Washington, D.C. ping-pong bar and pizzeria. He was carrying an AR-15 assault rifle – hardly standard-issue hardware for a round of table tennis.

A human being fashions his consequences as surely as he fashions his goods or his dwelling his goods or his dwelling. Nothing that he says, thinks or does is without consequences. — Norman Cousins A ...

If you answered yes, you were probably using a form of moral reasoning called "utilitarianism." Stripped down to its essentials, utilitarianism is a moral principle that holds that the morally right ...