Somebody once asked Niels Bohr why he had a horseshoe hanging above the front door of his house. Surely you, a world famous physicist, can't really believe that hanging a horseshoe above your door brings you luck? Of course not, Bohr replied, but I have been reliably informed that it will bring me luck whether I believe in it or not.
Arthur KoestlerSome of the greatest discoveries...consist mainly in the clearing away of psychological roadblocks which obstruct the approach to reality; which is why,post factum they appear so obvious.
Arthur KoestlerThe ultimate truth is penultimately always a falsehood. He who will be proved right in the end appears to be wrong and harmful before it.
Arthur Koestler