Humans have a biophysical cap of roughly four thousand known individuals

Evidence

The stranger is close to us insofar as we feel between him and ourselves similarities of nationality or social position, of occupation or of general human nature. He is far from us insofar as these similarities extend beyond him and us, and connect us only because they connect a great many people. — Georg Simmel, on individuality and social forms_…, 397 (#complicates, via linked claim)

Categorization

• XREF: connects to: Humans can recognize thousands while social worlds cater to the least clever; Shared universal traits make the stranger simultaneously near and far — Georg Simmel, on individuality and social forms_…, 397

Related

• Shared universal traits make the stranger simultaneously near and far (similarity 0.81)
• A stranger is someone personally unknown yet visually available (similarity 0.81)
• Humans can personally know at most roughly three or four thousand people (similarity 0.80)
• Seeing a handicap makes some strangers feel licensed to intrude (similarity 0.80)

Broader Connections

• Humans can recognize thousands while social worlds cater to the least clever #expands (0.60)
• Shared universal traits make the stranger simultaneously near and far #complicates (0.50) — Georg Simmel, on individuality and social forms_…, 397