Lee Smolin* poses the question “Given there seems to be many sets of consistent ‘Laws of Nature’ which could reign in many possible universes, how come our universe has such finely-tuned parameters which make life possible?”
Answer 1) There are very many universes, so the chances of one with life in it is greater.
Answer 2) We can imagine a universe without life but only from our fortunate position of being alive! If a universe existed without life there would be no observer to perceive it – so would it exist? In other words, maybe a universe without life is impossible.
Answer 3) The universe passed through many phases of evolution to its present state. (this is a bit like Answer 1 – but time replaces space.
Maybe the universe is driven by a mechanism which favours consciousness.
Our role as observers or perceivers of the universe may not be a passive one. We have to ask the question about relativity – ‘Who is this observer?’ - What happens when she goes away?
Hume decided there was no way to show that the world exists when we stop perceiving it.
Bishop Berkley said ‘That proves the existence of God who is perceiving everything all the time – thus thinking it into existence.’
But who invents the idea of God? – We do of course (maybe not individually but collectively).
So perhaps the universe is brought about by our collective conciousness.
* In The Life of the Cosmos
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