Notable professing [[Atheism|atheists]] have had the characteristic of variability and instability when it came to maintaining thoughts in accordance with atheism. For example, [[Jean-Paul Sartre]] was one of the leading proponents of atheism of the 20th Century. | Notable professing [[Atheism|atheists]] have had the characteristic of variability and instability when it came to maintaining thoughts in accordance with atheism. For example, [[Jean-Paul Sartre]] was one of the leading proponents of atheism of the 20th Century. |