It's Economics That's Stupid, Stupid...
Growth. What is 'growth', aside from being a gloriously Old English word in nature, with its qualifying noun suffix '...th' added to the verb 'grow'. Well, applied to ourselves and our offspring it can relate to both our physical and mental growth: we start out physically small and grow into adults before we start to shrink again somewhat as we get past a certain age. It relates to a our intellectual growth from childhood, through adolescence into adulthood. Any subsequent shrinkage obviously being subject to any number of factors, if at all: but ultimately one's ceasing will put a stop to that growth, either way. By definition, personal growth is limited by mortality; in itself variable, but generally limited to the low hundred-plus years at its upper bound. As far as shared human knowledge is concerned, the limit to its growth is theoretically bound to the lifespan of our species, which is unknowable, but which is predictable statistically from within that...