慶應文 2010 B
Some have likened the calendar to a clock; this is, of course, a mistake. A calendar hangs by my desk but there is no way I can tell the date just by looking at it. The calendar is more abstract; it is a systematic way of naming the days by allocating each to a year and a month and maybe a week. It enables us to label the days in the past and in the future and to arrange them all in order. If we know the date of two events we know which was the earlier and which the later; the calendar enables us (1 )to make or impose unambiguous commitments for the future; without a calendar, a diary would be a muddle. In another meaning of the word, a calendar is an almanac, a program of future events or a record of past events, each assigned to a day or a year. The calendar is thus a human invention. If I want to know the date, I may refer to a newspaper or the radio or look at my calendar; I could ask a friend. If I were on my own, however, like Robinson Crusoe, I would have to remember the d...