You missed out "We were totally lied to by our album covers".
which leads to..
Antonius Block: "We must make an idol of our fear, and call it god."
Stacy: Well, don't you want to open your present?
Wayne Campbell: If it's a severed head I'm going to be very upset.
Wayne Campbell: Garth, marriage is punishment for shoplifting in some countries.
Life of Brian (cut original scene involving shepherds watching their flocks by night):
"Is it A.D. yet"?
The Long Good Friday (London gangster film):
Harold: Alan found him dying. He'd been nailed to the floor.
Jeff: When was this, then?
Harold: Well, it must've been just after you saw him and just before Alan saw him. Otherwise, you'd have noticed, wouldn't you? I mean, a geezer nailed to the floor. A man of your education would definitely have spotted that, wouldn't he?
Harold: You don't crucify people! Not on Good Friday!
and (inviting rival gangsters to reveal their plans in the freezer room of an abattoir)
Harold: Verbals or frostbite.
Another Country (Alan Bennet describes his only regret after being forced into exile in the USSR after being caught spying for the Russians).
"I miss the cricket".