Let him that would be happy for a day, go to the barber; for a week, marry a wife; for a month, buy him a new horse; for a year, build him a new house; for all his lifetime, be an honest man.
It is the spur of ignorance, the consciousness of not understanding, and the curiosity about that which lies beyond that are essential to our progress.
Probably any successful career has "X" number of breaks in it, and maybe the difference between successful people and those who aren't superachievers is taking advantage of those breaks.