Philosophy
The Ship of Theseus: Identity Over Time
Quick fact
The Ship of Theseus was first recorded by the Greek historian Plutarch in the 1st century AD, and was later discussed by philosophers like Thomas Hobbes and John Locke—who used it to explore personal identity.
Why this is interesting
Imagine your favorite wooden chair slowly has every plank replaced over the years—at the end, is it still the same chair? What if the old planks are reassembled into another identical chair? Which one is really yours?