quote

These periods of struggling to overcome...

These periods of struggling to overcome challenges are what people find to be the most enjoyable times of their lives. A person who has achieved control over psychic energy and has invested it in consciously chosen goals cannot help but grow into a more complex being. By stretching skills, by reaching toward higher challenges, such a person becomes an increasingly extraordinary individual.

Flow: The Classic Work On How To Achieve Happiness: The Psychology of Happiness