It isn't what you have, or who you are, or where you are, or what you are doing that makes you happy or unhappy. It is what you think about.
-- Dale Carnegie
   
Dale Carnegie   Name:
Dale Carnegie
Type:
Writer
Nationality:
American
Birth:
November 24, 1888
Death:
November 1, 1955
https://www.nutquote.com/quote/Dale_Carnegie