Life is your experiences
Perkins, an energy trader and investor, argues that the point of money is to create a rich life, and that a life is ultimately the sum of its experiences. Many people work hard and save diligently, then die with large sums they never used, which means they traded hours of their lives for nothing.
His first rule is to maximise your positive life experiences. He revisits the fable of the ant and the grasshopper, suggesting that the ant, who works all summer and never plays, has also got something wrong.