Being born (and otherwise) in the right place, right time and to the right parents (family) ☀ Encouraging Friends ☀ Inspiring Mentors ☀ Discipline ☀Charisma ☀ Intelligence ☀ Photographic-memory ☀ Self Esteem ☀ Prodigal, Phenomenal, Preternatural, Precocious and Ferocious giftedness ✠ talent
This is an unfair question. It depends on the context. Sports? Business? Life? Love? War? Yes, determine your own context.
But since life is simply not fair the question simply helps to level that playing-field.