tytung

"We have found a strange footprint on the shores of the unknown. We have devised profound theories, one after another, to account for its origins. At last, we have succeeded in reconstructing the creature that made the footprint. And lo! It is our own." " The true difficulty lies in the fact that physics is a sort of metaphysics: physics describes 'reality'. However, we do not know what 'reality' is, we only know it through the description given by physics! "