A robust metaphor from a protracted hike:
Each hiker is intimately conscious of their backpack. They picked it out, selecting from dozens of choices. They know which straps are unfastened and that are digging into their pores and skin. They will let you know if it’s lopsided, and what’s in every pocket.
And but…
Even after days on the path, they in all probability couldn’t let you know a factor about anybody else’s backpack. Besides, maybe, that everybody else has one.
That’s step one towards empathy: Realizing that everybody else has a backpack, and that it’s completely different from yours.
