I had some hesitations about philosophy because, if you worked out a philosophical theory, it was hard to know whether you were going to be able to prove it or whether other theories had just as good a claim on belief.
-- Stephen Cole Kleene
   
Stephen Cole Kleene   Name:
Stephen Cole Kleene
Type:
Mathematician
Nationality:
American
Birth:
January 5, 1909
Death:
January 25, 1994
https://www.nutquote.com/quote/Stephen_Cole_Kleene