"The sign of the amateur is the overglorification of and the preoccupation with the mystery."This fantastic line comes from a must read: The War Of Art by Steven Pressfield. Please read it.
Closer inspection will prove rewarding.
Before we look at the actual sign(s) of the amateur, let's clarify what the sign of the amateur is referring to. Educators embody unique characteristics based on their level of "get it." Teachers who "get it" exude the "get it" glow. Be it a fire in their eyes or an aura, you know when an educator "gets it."
This article describes the difference between an amateur educator and a professional educator based on the "get it" factor.