There is no such thing as first or second, or as cause and effect. Humanity has constantly searched for the beginning of things asking questions such as 'Which came first, the chicken or the egg?". They search for answers which are simply entangled in a never ending cycle of events. Belief before evidence or evidence before belief, it doesn't matter. Both compound a cycle where before belief there's evidence and before evidence there is belief and so on. If the mind teaser about the chicken and the egg is traced back to its beginning, ....