The truth is that relative income is not directly related to happiness. Nonpartisan social-survey data clearly show that the big driver of happiness is earned success: a person's belief that he has created value in his life or the life of others.
-- Arthur C. Brooks
   
Arthur C. Brooks   Name:
Arthur C. Brooks
Type:
Author
Nationality:
American
Birth:
May 21, 1964
https://www.nutquote.com/quote/Arthur_C._Brooks