I was dubious at their title, but this is quite exquisite.
There’s a lot in there.
But, has anyone read the book, The Little Book of Talent, by Daniel Coyle?
There is a place, right on the edge of your ability, where you learn best and fastest. It’s called the sweet spot.…The underlying pattern is the same: Seek out ways to stretch yourself. Play on the edges of your competence. As Albert Einstein said, “One must develop an instinct for what one can just barely achieve through one’s greatest efforts.”
The key word is ‘barely.’
~ Daniel Coyle