The crux of the biscuit

Well then Fido got up off the floor an' he rolled over
An' he looked me straight in the eye
An' you know what he said?
“Once upon a time
Somebody say to me”
(This is a dog talkin' now)
“‘What is your Conceptual Continuity?’
Well, I told him right then”
(Fido said)
“‘It should be easy to see
The crux of the biscuit
Is the Apostrophe’”