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About this quote

What does it mean?
Hawking suggests the most unique feature of the universe is having no boundary at all.
In plain terms
The universe is special because it has no edge or boundary.
What can you take from it?
Consider the possibility that reality has no limits.

Where it applies

  • theoretical physics
  • cosmological discussion

Putting it to work

  • exploring no-boundary models
  • theoretical thinking

Questions to consider

  • What lies outside the universe?
  • Can existence have edges?

Another view

It simplifies complex geometric constraints.

More from Stephen Hawking

  1. Many people would claim that the boundary conditions are not part of physics but belong to metaphysics or religion. They would claim that nature had complete f…

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  2. What I have done is to show that it is possible for the way the universe began to be determined by the laws of science. In that case, it would not be necessary…

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  3. We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.

    Permalink to quote #4

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