We can use the MGB to prove god doesn't exist.
If an MGB is the greatest entity that can be conceived then I present to you Eric the god eating aardvark.
If your god exists then by your definition Eric also exists since being capable of eating gods he is greater than your god.
If Eric exists then your god has been eaten by him and he therefore does not exist.
If an MGB is the greatest entity that can be conceived then I present to you Eric the god eating aardvark.
If your god exists then by your definition Eric also exists since being capable of eating gods he is greater than your god.
If Eric exists then your god has been eaten by him and he therefore does not exist.
If you're not supposed to ride faster than your guardian angel can fly then mine had better get a bloody SR-71.