A couple of days ago I wrote an entry called Consider Your Influence . The idea being that we are influenced by not only people, but by other sources such as art. In the piece I mentioned Tim O’Reilly and Steve Jobs as two prominent thinkers in the technology world. Each of them is very wealthy, but neither of them does it for the money. They are motivated by something beyond a pay check. Dan Pink in his book Drive: The Surprising Truth Behind What Motivates Us , which I reviewed expands on why people behave a certain way. What influences behavior? This PBS video helps: