The activity that helps Francie avoid telling lies is mindfulness. She is the protagonist of "A Tree Grows in Brooklyn." The book tells the story of Francie from the time she is 11 until she goes to college at 17. Although she struggles with many problems throughout the book (alcoholism, poverty, family problems, etc.) the novel ultimately contains a message of hope. The novel also discusses the dreams of immigrant families in the United States during the early twentieth century.
It takes 20 years to build a reputation and five minutes to ruin it. If you think about that, you'll do things differently.” Here, Buffett says that anyone's reputation can quickly take a hit and to always act with integrity. Otherwise, a whole career can be ruined easily no matter the effort over the years.