Driving west at dusk.
Dylan: We’re driving away from the darkness.
Daddy: Yes.
Dylan: But I’m tired. That’s bad.
Daddy: Don’t worry. The darkness will overtake us soon enough.
Deactivating a generator loop without the correct key is like repairing a watch with a hammer and chisel. One false move and you'll never tell time again. -- The Doctor, Doctor Who: Pyramids of Mars