Full Idea
What is held communally by the most people gets the least care. For people give most thought to what is their own, less to what is communal, or only as much as falls to each of them to give.
Gist of Idea
People care less about what is communal, and more about what is their own
Source
Aristotle (Politics [c.332 BCE], 1261b33)
Book Reference
Aristotle: 'Politics', ed/tr. Reeve,C.D.C. [Hackett 2017], p.24
A Reaction
That is, they care about the bit they contributed (I think). On a train, would people with feet on the seats do the same in their own home? Yes, probably! Caring about what is communal must be a cultural consensus. Pride in the NHS.