Our earthly time allowance has rapidly shot up from an average of forty years to an average of seventy years plus within the experience of all the old people alive at present. ..... Although it was accepted that the body had been programmed to last for the classic three-scroe-years-and-ten, until now there was an all too eloquent proof that very few bodies ever did, and for a man to 'see his time out'm as they used to say, was exceptional.
――東京大学 〔4〕―(A)――83年