Authors:

There's a wide range of sales ability: there are many gradations between novices, experts, and masters. There are even sales grandmasters. If you don't know any grandmasters, it's not because you haven't encountered them, but rather because their art is hidden in plain sight.

"Zero to One: Notes on Start Ups, or How to Build the Future". Book by Peter Thiel and Blake Masters, September 18, 2014.
There's a wide range of sales ability: there are many gradations between novices, experts, and masters. There are even sales grandmasters. If you don't know any grandmasters, it's not because you haven't encountered