The first precept was never to accept a thing as true until I knew it as such without a single doubt.
-- Rene Descartes
   
Rene Descartes   Name:
Rene Descartes
Type:
Mathematician
Nationality:
French
Birth:
March 31, 1596
Death:
February 11, 1650
https://www.nutquote.com/quote/Rene_Descartes