"No ray of sunshine is ever lost, but the green which it awakes into existence needs time to sprout, and it is not always granted to the sower to see the harvest. All work that is worth anything is done in faith." - Albert Schweitzer
What is your particular genius? Math genius? Creative genius? Teaching genius? Are you an ingenious leader? A genius at taking IQ tests? Or how about a knitting genius?
If you devote four hours a day of solitary practice to knitting, in ten years you'll be knitting the Mona Lisa complete with smile. And if you are able to control the components of your learning as you knit you will get there much faster. You control the components by keeping daily, weekly and monthly logs of your knitting activities. Each time you knit focus on what you can do to further improve your knitting. Then periodically go back and review. Push yourself continually raising the bar. Set yourself increasingly difficult knitting assignments. That is called controlling the components of your learning.