To illustrate the importance of this distinction: The other day, I told my Grandma that I'm now an atheist. She was furious: "what?!" She said - "isn't it bad enough that you are atheist, now you're *an* atheist as well? This goes too far!" And then she disowned me. True story!(*)
(*) for suitable meanings of "true" and "story"
(*) for suitable meanings of "true" and "story"
The fool hath said in his heart, There is a God. They are corrupt, they have done abominable works, there is none that doeth good.
Psalm 14, KJV revised edition