saw this piece of drawing within Christopher D. Sessums’ post on 150+ Resources for Teaching and Learning:
particularly attracted by the “MONSTROUSLY LARGE BLIND SPOTS”. dun ask me why, the brain’s quite dead after running 8.5 hrs of afterburners for 2 consecutive days. it’s simply a feeling of 渺小, especially if you are doing some research or lit review lately, you’ll likely feel likewise 
of cos if u would like to find out abt the exact context of the drawing, go back to the source (: