Focusing exclusively on money as a means to building a fulfilling career is one of the biggest mistakes a professional can make, according to a behavioral economist who studies motivation.
"Our understanding of what causes us to be happy is flawed," says Dan Ariely, professor of psychology and behavioral economics at Duke University and TED speaker.
"The rational perspective is that we're motivated by money and nothing else matters," he tells CNBC. "The irrational perspective is that we're motivated by all kinds of things."
Instead, says Ariely, "we're motivated by a sense of meaning."