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About this quote

What does it mean?
Hawking warns that contacting advanced extraterrestrials could be dangerous for humanity.
In plain terms
He compares potential alien contact to historical encounters where advanced groups harmed primitive ones.
What can you take from it?
Caution is advised when encountering superior civilizations.

Where it applies

  • space policy
  • SETI discussions
  • future planning

Putting it to work

  • advocate for caution
  • reconsider broadcasting signals

Questions to consider

  • Should we announce our presence to the universe?
  • What risks does space exploration carry?

Another view

It assumes alien motives would be hostile based on human history.

More from Stephen Hawking

  1. When I hear of Schrodinger's cat, I reach for my gun.

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  2. I have hardly ever known a mathematician who was able to reason.

    Permalink to quote #60
  3. We shouldn't be surprised that conditions in the universe are suitable for life, but this is not evidence that the universe was designed to allow for life.

    Permalink to quote #57

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