@VetusVulpes 
I couldn't find the manga with the direct quote, (because going through each possible one would be hard and time consuming), but I have several bookmarked that follow the principle.
If you're looking for recs
I couldn't find the manga with the direct quote, (because going through each possible one would be hard and time consuming), but I have several bookmarked that follow the principle.If you're looking for recs
"Have you ever noticed your fingers have fingertips, but your toes do not have toetips - yet you can tiptoe but not tipfinger?".