29th June 2026

Today, I want to talk to you about how the Ship of Theseus thought experiment may be the most useful question you have never properly sat with. (Theseus was the hero in Greek mythology, famous for slaying the Minotaur).
The Ship of Theseus story is about a legendary ship preserved in Athens, whose planks were replaced one by one as they decayed. Eventually, nothing original remained, raising one of philosophy’s greatest unanswered questions: is it still the same ship?
Most people pause at that. The pause is where the thinking starts. It’s not really about ships at all. It’s asking what holds anything together across time. Is it the material, the memory, the meaning, or simply the story we keep telling ourselves? That question has no clean answer, and that is the point.
Here are some examples:
– Your body replaces most of its cells roughly every seven to ten years, yet no one seriously disputes that you are still you. Identity is not a matter of matter alone.
– A childhood home rebuilt after a fire, brick by brick, is still called their home by everyone who grew up there. Memory makes it real in a way that materials never can.
– A long marriage holds two people who have each changed almost beyond recognition from the day they first met. What persists is not the people they were, but what they’ve quietly built together.
Yet some things do become entirely different; insisting otherwise can blind you to what something is now. Someone once said, “A person never crosses the same river twice, because the river is never the same and the person is never the same”, yet we do return and feel we’re visiting the same place.
So, today, try to ask yourself, what is truly holding together the things and people you care about. Once you start looking, you find this question everywhere, so we can really learn from the Ship of Theseus thought experiment!




