A “Full Tank” Analogy for Principal Doctrine 3

Today I composed a new graphic to illustrate my view of PD3.  It’s a total shame that this has been reduced to “what’s good is easy to get” in the minds of many.  Discussion of this graphic at Epicureanfriends.com here.
Discussion here:
https://www.epicureanfriends.com/wcf/gallery/index.php?image/185-principal-doctrine-3-the-full-tank-analogy/