Religious faith and religion offer the idea of absolute, of a total and finished truth that has not been achieved by science since ancient times. We know that even in physics the theories are relative and questionable as to their universal reach, such as the laws of gravitation and the quanta, which have not been integrated in a single theory for macro and microcosm.

Water can be found in different states, such as solid, liquid and gaseous, but from a chemical point of view it shows a non-variant, that is, in every state it is still made by two atoms of hydrogen and one of oxygen.

Philosophy, anthropology, mythology, sociology, psychology, psychoanalysis and related fields can produce different and specific concepts that nevertheless show hidden non-variants, which may contribute for more inclusive truths.