In this article memory was viewed as a crucial key to the discovery of reality. It is the basis of historical research at all levels, hence it is not confined to a function of human consciousness (brain operations): its physical vestiges are discernible in the universe, in fossils, in the DNA of species. Memory inscribes information in various ways. On a human level it is not recalled computer-wise: imagination, emotion and tacit motives play a role in how we remember. The article investigated the way in which memory underlies the operation of every cell in any living organism. Against this background the role of memory in humans and its decisive influence on every level of human life are examined. Gerald Edelman’s work in this regar...