There is no higher authority.

“Harriet Jones: When they fart, if you'll pardon the word, it doesn't smell like…”

“There's one tiny little gap in the universe left, just about to close. And it t…”

“writing isn't just a job that stops at six thirty... It's a mad, sexy, sad, sca…”

“ Dalek Sec: The Doctor will open the Ark! The Doctor: Ha ha, the Doctor will no…”