So, in less elevated circles, we might toss a coin as to whether or not to go to a party, decide to go, and there meet the person whom we are to marry and spend our lives with. And if that person came, say, from New Zealand, and wanted to return, then we might find ourselves spending our life in Christchurch. Not that spending one's lifetime in Christchurch is anything less than very satisfactory--who among us would not be happy living in a city of well-behaved people, within reach of mountains, where the civic virtues ensure courtesy and comfort and where the major problems of the world are an ocean away? But had the coin fallen the other way--as coins occasionally do--then that wholly different prospect might never have opened up and one might spend the rest of one's days in the place where one started out. Or one might pick up a newspaper abandoned in a train by a person not well schooled in those same civic virtues, open it and chance to see an advertisement for a job that one would not otherwise have seen. And that same job might take one into the path of risk, and that very risk may materialise and end one's life prematurely. Again the act of picking up the paper has consequences unglimpsed at the time, but profound nonetheless.