It is in the admission of ignorance and the admission of uncertainty that there is a hope for the continuous motion of human beings in some direction that doesn't get confined, permanently blocked, as it has so many times before in various periods in the history of man.
-- Richard P. Feynman
   
Richard P. Feynman   Name:
Richard P. Feynman
Type:
Physicist
Nationality:
American
Birth:
May 11, 1918
Death:
February 15, 1988
https://www.nutquote.com/quote/Richard_P._Feynman