The series does leave us with some final words of common sense.

What the man was saying made a great deal of sense.

Even if he's not making a whole lot of sense.

For a moment she almost did, but the cold hand of common sense held her back.

Nothing he ever did made a whole lot of sense.

He says you used to make a lot of sense.

George was not going to let go of common sense.

On the other hand, maybe he just had a good deal of common sense.

I have yet to meet one who makes any sort of sense.

And the idea made a lot of sense to him.