In the book "Mystery Ranch" by Gertrude Chandler Warner, Mr. Carter expresses his willingness to assist the children by going to Greenfield to share their story with their grandfather. His promptness indicates that he values their situation and is eager to help. With a sense of urgency, he bids farewell, leaving the children with a sense of hope.

Benny remarks on Mr. Carter's swift departure, highlighting the speed at which helpful individuals can act in times of need. His comment reflects the children's admiration for the mysterious man's quickness, emphasizing the theme of unexpected support in their adventure.