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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 freedom to start the universe off any way it wanted. That may be so, but it could also have made it evolve in a completely arbitrary and random manner. Yet all the evidence is that it evolves in a regular way according to certain laws. It would therefore seem reasonable to suppose that there are also laws governing the boundary conditions.

Stephen Hawking#1

SciencePhysicsCosmologyCosmos

About this quote

What does it mean?
Hawking argues that if the universe evolves regularly, there must be laws governing how it started.
In plain terms
The universe follows rules, so there must be rules for its start.
What can you take from it?
Look for laws even in the beginning of things.

Where it applies

  • scientific inquiry
  • philosophy of science

Putting it to work

  • studying cosmology
  • formulating hypotheses

Questions to consider

  • What caused the laws of physics?
  • How did the universe start?

Another view

It assumes laws existed before the universe began.

More from Stephen Hawking

  1. There ought to be something very special about the boundary conditions of the universe and what can be more special than that there is no boundary?

    Permalink to quote #2
  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…

    Permalink to quote #3
  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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