Physics and Tautology. =. 1 Where did the masses for ? big bang ? come from ? These masses came from surrounding space. 2 Where did these masses from surrounding space come from ? These masses came from ?big bang?. ===. Why is he poor ? Because he is stupid. Why is he stupid? Because he is poor. ===. The ?big bang? doesn?t give answer to the question: where did the mass come from ? To understand this we need go out from ? big bang? . But ? the big bang theory is an effort to explain what happened at the very beginning of our universe. Prior to that moment there was nothing;? So, . . where do we go out ? ==.