'We must use the stairs to-night.' 'But I have a key.

I always carry one,' said Rocco, and he pulled one out of his pocket, and, unfastening the iron screen, pushed it open.
Racksole smiled at his readiness and aplomb.
'After you,' said Rocco, bowing in his finest manner, and Racksole stepped into the lift.
With the swiftness of lighting Rocco pushed forward the iron screen, which locked itself automatically.

Theodore Racksole was hopelessly a prisoner within the lift, while Rocco stood free in the corridor.
'Good-bye, Mr Racksole,' he remarked suavely, bowing again, lower than before.

'Good-bye: I hate to take a mean advantage of you in this fashion, but really you must allow that you have been very simple.

You are a clever man, as I have already said, up to a certain point.