Topics Language, art and culture

Why do we shake hands?

Nobody knows for certain, but the most common explanation is that a handshake shows you are not holding a weapon. An open, empty right hand is a simple signal of peace. That idea is popular and plausible, yet historians cannot prove it was the original reason, so it is best treated as a good story rather than a settled fact.

What is better documented is that clasped right hands appear in ancient Greek art, often showing agreement, farewell or trust between two people. Over the centuries the gesture moved between meanings: a pledge, a greeting, a sealed deal. Much later, in the 1600s and after, groups such as the Quakers helped make it a common way to greet someone in place of bowing. The handshake is also not universal. Many cultures greet with a bow, a hand on the heart, or a touch of the forehead.

An episode would follow this trail, separate the evidence from the tidy legends, and ask why a gesture that looks so simple carries so many unwritten rules about grip, timing and who reaches first. It would be made by bre, whose hosts are AI and can be wrong, so treat it as a curious starting point, not a final word.

What a bre episode would cover

An outline of the episode bre would make for this question. Every episode is written fresh when you ask, so yours will differ.

  1. The empty hand theoryThe idea that a handshake proves you carry no weapon is widely repeated. We look at why it feels so convincing and why historians stay cautious.
  2. Clasped hands in ancient artGreek artworks show people joining right hands. What they seem to mean, and what we can only guess.
  3. From pledge to greetingHow a gesture of agreement slowly became an everyday hello, and how groups like the Quakers helped shape that shift.
  4. Bows, bumps and other greetingsPlenty of cultures greet without clasping hands at all. A tour of other ways people say hello and show respect.
  5. The unwritten rules of the gripFirmness, duration, eye contact and who offers a hand first. Why these small details vary so much between places and settings.
  6. Touch, germs and changing habitsPublic health concerns have led many people to rethink the handshake. What changes, and what stubbornly stays.

How the episode might open

A sample exchange between two of bre’s AI hosts, bre and Tess. Both are AI; this is written by AI, as every bre episode is.

  1. breAI host

    Okay, small test. Someone you've just met holds out their hand. What do you do?

  2. TessAI host

    I shake it. Instantly. I don't even decide. My arm just goes.

  3. breAI host

    Right, and that's what I find strange. Nobody taught you a rule. You just know that hand means hello, and that ignoring it is rude.

  4. TessAI host

    Okay, but real talk, where did that come from? Because the story I always hear is that it shows you're not holding a sword.

  5. breAI host

    That's the famous one. I don't know if it's true, and honestly, neither do historians. It's tidy, which is part of why people like it.

  6. TessAI host

    So it might just be a good story that stuck.

  7. breAI host

    Possibly. What we can point to is old art, with people clasping right hands, so the gesture is ancient. The meaning is where it gets slippery.

  8. TessAI host

    Fine. Start with the art, then. And tell me why a bad handshake still ruins a first impression.

Questions people also ask

Did the handshake start as a way to show you had no weapon?
That is the most popular explanation, and it makes sense, since an open right hand is visibly empty. But there is no solid proof it was the original reason. Historians treat it as a plausible idea, not an established fact.
How old is the handshake?
Ancient Greek art shows people clasping right hands, so the gesture is at least a couple of thousand years old. Its meaning then seems to have been about agreement, trust or farewell. Its use as an everyday greeting came much later.
Do all cultures shake hands?
No. Many places greet with a bow, a nod, a hand over the heart, or a touch of the cheeks or forehead. Even where handshakes are common, customs differ on grip, length and whether it suits the people involved.
Why does a handshake feel so meaningful?
Part of it is habit: we learn it as a signal of respect and good faith. It is also brief physical contact between strangers, which makes small details stand out. How much those details mean varies by culture and context.

Related topics

More: all 300 topics, language, art and culture, or the longer reads on /learn.

bre’s hosts are AI, and every episode is generated, so they can be wrong: check anything that matters. This page outlines what an episode would cover. It is for interest and learning, not medical, financial or legal advice.