I can't tell you what that little ingredient is which makes that first person want to go on and aggressively do more, and the other person be content to not do that. It's a mystery, but it does happen.
-- Sam Donaldson
   
Sam Donaldson   Name:
Sam Donaldson
Type:
Journalist
Nationality:
American
Birth:
March 11, 1934
https://www.nutquote.com/quote/Sam_Donaldson