Well that's not true/possible/do-able.....

What's your criteria for establishing the truth?  Laboratory proof, empirical evidence?  Because it just 'makes sense'?

Are we closed to everything we can't explain?  Rejecting all inexplicable elements of 'things' because we've made up our minds that such things aren't possible, we run the risk of shrinking the world and the possibilities around us to only what we can comprehend. (Rob Bell)

I think that's a sad place to be, fundamentally because it takes away our imagination, our creativity, our ability to dream.