4. "Do not say that for which you lack adequate evidence" (Morreall 79), there are many examples of this guideline being violated especially when Eve believes Adam to be a reptile, " If it is a reptile, and I suppose it is; for it has frowsy hair and blue eyes, and it looks like a reptile." (Twain 107) 5."Avoid obscurity of expression" (Morreall 79) and example of this would be when Eve decides to put fish in Adams bed to keep him warm, "so last night she got a lot of them out and brought them in last night and put them in my bed to keep warm" (Twain 33) 6. "Avoid ambiguity" (Morreall 79), an example of this would be Adam trying to get away from Eve on numerous occasions in the book. 7. "Be brief," (Morreall 79) all of Eve's diary entries violate this guideline because she is constantly lengthy and colorful in her descriptions. 8. "Be orderly" (Morreall 79) again, this is violated because their diary entries are all over the place. (Morreall 79) In The Diaries of Adam and Eve it is apparent that Twain violates almost all of Grice's guidelines. Eve's character often violates a few of Grice's guidelines, she is often lengthy in her diary using colorful descriptions as opposed to guideline seven being brief, she is also guilty of violating guideline four when she gives everything a name without adequate evidence, and she also violates guideline number two, do not make your contribution more informative then required by always letting Adam know what she has discovered and not allowing him a chance to say anything. Adam violates Grice's guidelines too, but not as frequently as Eve. Adam's character tends to violate guideline four, do not say for which you lack adequate evidence, guideline five avoid obscurity of expression, and guideline six, avoiding ambiguity. .
Another reason that Mark Twain's "The Diaries of Adam and Eve" is humorous is because of the incongruity theory.