Often times in school we're told not to quote Wikipedia, but look at this amazing definition it has for the word "grit:"
"Grit in psychology is a positive, non-cognitive trait based on an individual's passion for a particular long-term goal or end state, coupled with a powerful motivation to achieve their respective objective."
I still don't know where this series is going, but I think I've found a preliminary name for it. Enjoy part two of this running set of images!