I love listening to How I Built This, a podcast where Guy Raz interviews founders of companies about the how and why they started, and some of their bumps along the way.
Near the end of the interview, he always asks if the founder attributes their success to luck or hard work.
Think about a success in your own life. How would you answer that question?
While I think it is a mix, I think perseverance may be one of the biggest factors towards success. Most people who start successful businesses started unsuccessful businesses before eventually succeeding. Perhaps they started creating different products than what led to their success, or maybe they just kept reframing what they were creating until they figured out what worked.
Thus, to get up again after getting knocked down is, to my mind, one of the biggest factors to success; which can be a learned skill if you trust yourself enough.