If I don't know I don't know, I think I know. If I don't know I know I know, I think I don't know.
-- R. D. Laing
   
R. D. Laing   Name:
R. D. Laing
Type:
Psychologist
Nationality:
Scottish
Birth:
October 7, 1927
Death:
August 23, 1989
https://www.nutquote.com/quote/R._D._Laing