Horace Danby's Confidence in Success

Horace Danby, the protagonist in the story "The Lumber Room" by Saki, felt confident in his success for several reasons:

1. meticulous planning
Horace Danby was a meticulous planner. He had carefully studied the habits of the wealthy family he intended to rob, noting the times when they were out of the house and the layout of their home. This thorough planning gave him a sense of confidence in executing the robbery without being caught.

2. experience in safe-cracking
Danby was an experienced safe-cracker, having successfully carried out several robberies in the past. His expertise in this area contributed to his belief in his ability to pull off the heist without a hitch.

3. his reputation as a "gentleman burglar"
Danby had earned a reputation as a "gentleman burglar" due to his polite and non-violent approach to his crimes. This reputation made him believe that he would be able to carry out the robbery smoothly, without raising suspicion or encountering any resistance from the family.

4. confidence in his own abilities
Danby had a strong sense of self-confidence in his abilities as a burglar. He believed in his skills, experience, and meticulous planning, which further boosted his assurance of success in the robbery.

In conclusion, Horace Danby felt sure of his success in that year's robbery due to his meticulous planning, experience in safe-cracking, reputation as a "gentleman burglar," and confidence in his own abilities. These factors combined to give him a strong belief that he would be able to carry out the heist without any complications.