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138 life should run after they were gone. And then because constitutions are difficult to amend, zealous people with a taste for mortmain have loved to write on this imperishable brass all kinds of rules and restrictions that, given any decent humility about the future, ought to be no more permanent than an ordinary statute.

A presumption about time enters widely into our opinions. To one person an institution which has existed for the whole of his conscious life is part of the permanent furniture of the universe: to another it is ephemeral. Geological time is very different from biological time. Social time is most complex. The statesman has to decide whether to calculate for the emergency or for the long run. Some decisions have to be made on the basis of what will happen in the next two hours; others on what will happen in a week, a month, a season, a decade, when the children have grown up, or their children's children. An important part of wisdom is the ability to distinguish the time-conception that properly belongs to the thing in hand. The person who uses the wrong time-conception ranges from the dreamer who ignores the present to the philistine who can see nothing else. A true scale of values has a very acute sense of relative time.

Distant time, past and future, has somehow to be conceived. But as James says, "of the longer duration we have no direct 'realizing' sense." The longest duration which we immediately feel is what is called the "specious present." It endures, ac-