There is no substitute for hard work. There is no evidence of high-level performance without experience and practice.
Practice makes perfect: The best people in any field are those who devote the most hours to "goal-oriented practice." This is practice that reaches for objectives just beyond one's current level, involves self-critique, and is based on high levels of repetition.
Consistency is crucial. Elite performers in many diverse fields practice, on average, the same amount every day, including weekends.
Goal setting: gives you short term motivation and long term vision.