The mother of success is consistency. When you find or learn the tools and methods that work and you apply them consistently, success is likely to result.
Variety is good, talent helps, brilliance makes a difference, but consistent application, consistently showing up, that is the key.
The golfer who consistently practices his swing, his putting. The tennis player who hits balls for hours, everyday. The football player who practices for long hours taking penalties or free kicks. The long distance runner who piles on the milage on regularly, hardening the muscles, toughening the mind, creating muscle memory. These are the people who create the possibility and potential for success.