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.
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Research and historical data indicate that atheists/agnostics often see the world and their lives as being the product of design (see: [[Atheism and beliefs that the world is designed]]).
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In addition, 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.