theories that better describe how the Universe we know actually behaves. As for the powerful belief in some scientific dogmas, often expressed by scientists, it also seems to have strong justification, even when it is a belief in the application of these dogmas in circumstances that go far beyond the original context in which they were obtained strong observational confirmation. Sometimes, outstanding physical theories from the past will maintain their great precision even when in certain cases they have been replaced by better theories that have a tees for men wider range of applicability or greater precision. This was certainly the case when Newton's great theory of gravity was confronted with Einstein's theory; or when the beautiful Maxwellian electromagnetic theory of light was replaced by its own quantized version, which made it possible to understand the molecular aspect of light (photons). In any such case, the previous theory remains trustworthy, as long as its limitations are constantly remembered.