Yet, even if the existence of natural symbols can be defended, this does not entail that their significance will always remain the same. Change clearly sometimes happens where only the referent is something in nature and not the symbol itself. So, for example, in the Temple the menorah appears originally to have been intended as a cosmological symbol, representing the seven known planets,16 whereas in medieval Judaism it came to represent the light of the Torah and the sciences which help support its study. But,
