Luck, privilege, talent[1], and hard work - all typically contribute to success. Any one alone is very unlikely (but not impossible) to lead to it. Obviously

Luck, privilege, talent[1], and hard work - all typically contribute to success. Any one alone is very unlikely (but not impossible) to lead to it. Obviously you can only have direct impact on some of these, so it's worth concentrating effort there. [1] "talent" here is somewhat hand-wavy mix of skill and experience