"Just say the lines and don't trip over the furniture"

This quote by Noel Coward is a recommendations to stars to focus on providing their lines instead of getting sidetracked by the props on stage. Coward, who was himself an actor, playwright and author, acknowledges the importance of providing lines with self-confidence and clearness to ensure an effective efficiency. The suggestions to not "trip over the furniture" is a metaphor for not getting caught up in the information and losing focus on the larger photo. By staying focused on the script and the message it conveys, actors can offer a great performance without getting bogged down by the other components of the production.