Repetition for general emphasis is achieved by the repeating of a whole sentence. This has better and more immediate impact if the repeated sentence is short, rather I than being too lengthy.

That was no welcome.

That was no welcome.

Rather than:

The welcome given by the footman at the door was very lukewarm.

The welcome given by the footman at the door was very lukewarm.

‘Short’ adds to impact for the listener.