This man lost both arms and was disfigured in a gas explosion accident.
Instead of giving up, he started a new career of calligraphy by selling positive messages.
I think his name is Guo Yibo 郭乙博.
Wow, amazing..that you came across this, captured it so vividly, provided a poignant description, and of course.....the subject matter. Bet you take a different perspective when the paper jams in your printer at work!! I hope ou purchased a couple of prints....