Where the classic (a polite way of saying anachronistic) pep-art offers aspirational gems about the value of teamwork, attitude and leadership, Libert's motivators get to the point: Move quickly ...

But in the case of Andrew Luck, the demotivators were painfully obvious. Across the first 70 games of his career, Luck was sacked a league-high 156 times.

Motivation, especially in performance, can be an enigma. We have been led to believe that motivation is like a barometer and is either high, medium, or low. In reality, motivation is more like a ...