Law abiding citizen.

Some regulators have no sense of humor.

Following the law can be such a bore.

Pass/Fail.

Turnabout is fair play.

She can't grade one teacher on a curve.

That smarts.

Someone got those genii out of a bottle.

The two smartest beings in the universe.

Looking forward.

For that to be true, Barney knew what Clyde had resolved...

Before he ever asked him.

Forget it.

She is depressed and forgetful, but..

Mostly depressed at being forgetful.

It's a gas.

If you add a little hydrogen sulfide...

You are all set.

Wit's End.

Wit's End, Alexander Woollcott's apartment, so dubbed by Dorothy Parker.

Also known as, Ocowoica, meaning The-Little-Apartment -on-the-East-River-That- It-Is-Difficult-to-Find-a-Taxi-cab-Near.