It's good to let a little nonsense in, and an open mind also allows some to get out too
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I personally am certain about very little (apart from tax and death blah blah blah etc etc..), but that's ok, life would be boring if we knew the answers to everything.
In some ways I sometimes think that it might be nice to have a 'belief', as it would make things so much simpler (just follow the godly herd), but in truth it all sounds like a load of pap to me. If I had to choose a belief I'd go pagan, as it makes more sense to worship things you can see like the sun, moon, and earth, and I might get to join in on some entertaining pagan activities like running through the woods naked during the full moon. Actually they probably didn't/don't do that, but they should.