People
Man is not the sum of what he has already, but rather the sum of what he does not yet have, of what he could have.
— Jean-Paul Sartre

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
Here a person is defined less by what they already own or are, and more by what they lack and might still become. It's a hopeful reversal of accounting: your possibilities count as part of who you are, so a person is measured by open potential.
Context reviewed