Faced with the choice between changing one's mind and proving that there is no need to do so, almost everyone gets busy on the proof.
-- John Kenneth Galbraith
   
John Kenneth Galbraith   Name:
John Kenneth Galbraith
Type:
Economist
Nationality:
American
Birth:
October 15, 1908
Death:
April 29, 2006
https://www.nutquote.com/quote/John_Kenneth_Galbraith