A Native American elder once described his own inner struggles in this manner: Inside of me there are two dogs. One of the dogs is mean and evil. The other dog is good. The mean dog fights the good dog all the time. When asked which dog wins, he reflected for a moment and replied, The one I feed the most.
You can easily find people who are ten times as rich at sixty as they were at twenty but not one of them will tell you that they are ten times as happy