On the morning of H. Jackson Brown's fifty-first birthday, he jotted down a few of the important things more than half a century of living had taught him. He enjoyed the exercise so much that he made it a weekly project. Later, a friend said he would like to try. Other joined in. Contributions from kindergarten kids, high school students, young married couples, and senior citizens made Brown realize that wisdom knows no age and that truth is truth no matter where you find it.