What do you want you're headstone to say?

[Starman]

No, you made a mistake.  You confused the contraction for "you are" with the possessive form of "you."
And atheists are constantly proclaiming their/your incredible intellects.

"Their/your"

Oh pot, you amuse me.

- kettle.

Let me help you with your jejune little analogy.

Pots and kettles are inanimate objects. Neither one can talk, much less think.
BUT IF THEY COULD, both are still black.  
No, you're not amused.  You're embarrassed, and you're trying to be cute just to save face.