“… some of the people whom I respect and admire the most — didn’t know a little bit about everything there was available in their field.
They knew a lot about a little bit, and that took them very far.”
—Tom McFarlin, Developers Must Know Everything, Or I’m Out of a Job
This article mentions the cliche, “jack of all trades, master of none” which I was called once by someone who I managed to convince that I knew a lot about everything. I didn’t.